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CBSE Class 12 Physics Additional Practice Paper 2024 FAQs
Are there any specific tips for revising Physics concepts effectively?
Use concise notes, create concept maps, and teach the material to someone else to reinforce your understanding during revision.
How can I stay motivated during the preparation process?
Set realistic goals, celebrate small achievements, and visualise the long-term benefits of your hard work to stay motivated.
Are there alternative resources recommended for additional practice?
Explore online platforms, reference books, and previous years' papers to supplement your practice and gain a well-rounded perspective.
Should I seek help from teachers if I find certain topics challenging?
Absolutely, don't hesitate to seek clarification from teachers or classmates for any topics that you find challenging.
Can I use the practice questions as a diagnostic tool for my strengths and weaknesses?
Yes, reviewing your performance on these questions can help identify areas that require more focus and improvement.
CBSE Class 12 Physics Additional Practice Paper 2024
CBSE Class 12 Physics Additional Practice Questions Paper 2024 has been released by CBSE on its official website @cbse.academic.nic.in. Students can download the questions from the official website!
Krati Saraswat2 Feb, 2024
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CBSE Class 12 Physics Additional Practice Paper 2024:
The CBSE (Central Board of Secondary Education) has just released the CBSE Class 12 Physics Additional Practice Paper 2024 on its official website @cbseacademic.nic.in. These extra practice questions are made for students and teachers to use and cover the whole syllabus.
If you're a Class 12 student focusing on science for your board exams, it's a good idea to get this CBSE Class 12 Physics Additional Practice Paper 2024. It can help you get ready for the main exam with more confidence.
CBSE Class 12 Physics Additional Practice Paper 2024 Overview
The CBSE Class 12 Additional Practice Question Papers for 2023-24 have been recently updated and cover the entire syllabus. These papers include 50% competency questions, which can be beneficial for students in their future studies.
In the academic year 2023, CBSE has scheduled annual exams, featuring a total of 35 questions. The maximum score for the paper is 70, and students have a time limit of 3 hours. The paper is divided into five sections: Section A, Section B, Section C, Section D, and Section E. The paper follows a specific pattern, as outlined below:
There are 33 questions in all. All questions are compulsory.
Section A contains 18 Questions for 1 Mark each. [Multiple Choice Questions].
Section B contains 7 Questions for 2 Marks each. [Very Short Answer Questions].
Section C contains 5 Questions for 3 Marks each. [Short Answer Questions].
Section D contains 3 Questions for 5 Marks each. [Long Answer Questions].
Section E contains 2 Questions for 4 Marks each. [Case Based Question].
CBSE Class 12 Physics Additional Practice Paper 2024 With Solutions
The Central Board of Secondary Education (CBSE) has always been at the forefront of providing students with the resources they need to do well in their board exams. In this effort, CBSE has recently published subject-wise extra practice questions in question paper format for Class 12.
These additional resources are a valuable addition to a student's toolkit, and in this article, we will concentrate on the Physics extra practice questions and talk about their significance and how students can use them effectively to get ready for their Class 12 board exams.
CBSE Physics Practice Paper Class 12 2023 with Solution
Section – A
1 Mark for Each Question
Question 1.
An electric dipole with a dipole moment of 4 × 10-9 C m is put in a steady electric field in a way that the dipole stays balanced. If the electric field's strength is 3 × 103 N/C, what's the effort needed to turn the dipole to an unsteady position?
zero
1.2 × 10-5J
2.4 × 10-5J
– 1.2 × 10-5J
Question 2.
A line that goes on forever has charge spread out along it. This charge spread is 10^-7 Coulombs for every metre of the line. If you put an alpha particle 4 centimetres away from this line, what will be the strength of the force acting on the alpha particle?
14.4 × 10-15 N
7.2 × 10-15 N
4.5 × 104 N
9 × 104 N
Question 3.
The chart underneath displays how the highest kinetic energy of the released photoelectron changes with the frequency of the incoming radiation for a specific metal.
Which of the following gives the work function of the metal?
x-intercept
y-intercept
the slope of the graph
the area under the graph
Question 4.
Two lengthy and straight wires, P and Q, are positioned side by side at a gap of 10 cm. Another wire 'R,' measuring 8 cm in length and carrying a current of 4 A, is positioned between P and Q.
If wire R encounters a force directed toward wire P, then what is certainly TRUE about the current 'I' in wire Q?
Currently I cannot be in the upward direction.
Currently I can have any magnitude greater than 0 A in the upward direction.
Currently I cannot have a magnitude of more than 15 A in the upward direction.
Currently I cannot have a magnitude of more than 10 A in the upward direction.
Question 5.
A rod, when hung in a steady magnetic field, positions itself at a right angle to the magnetic field, as illustrated below.
Which of the following statements is/are true for the rod?
a. Every atom in the rod has a zero magnetic moment.
b. The rod is attracted when taken near the poles of a strong magnet.
c. The relative permeability of the material of the rod is slightly less than.
d. The susceptibility of the material of the rod is directly proportional to
temperature.
only b
only a and c
only b and d
only c and d
Question 6.
Which of the following statements are TRUE about Ampere’s circuital law and Biot-Savart’s law?
only P and Q
only Q and S
only P and R
only P, R and S
Question 7.
A particle with a positive charge '+q' and a mass 'm' moves in a uniform electric and magnetic field. Under what conditions will the particle's path be straight, following the velocity-time graph provided?
E
⊥
B
⊥
velocity of the particle
E || B and the particle is initially at rest
E || B and the particle has an initial velocity ‘v’ along the electric field
E
⊥
B and the particle has an initial velocity ‘v’ along the electric
field
Question 8.
A simple resistor is linked to an AC power supply as depicted below. Which of the statements below is/are correct?
I: The average current flowing through the circuit during one full cycle is zero.
II: The current in the resistor leads the voltage by π/2.
III: The average power dissipated by the resistor is zero.
only I
only I and II
only II and III
all – I, II and III
Question 9.
How quickly does the electric field alter between the squares of a capacitor? The capacitor has sides measuring 5 cm, a gap of 1.2 mm between the plates, and the voltage changes at a speed of 60 V/s.
7.2 x 10-2 Vm-1s-1
30 x 10-1 Vm-1s-1
12 x 102 Vm-1s-1
5 x 104 Vm-1s-1
Question 10.
Three loops as shown below move into the magnetic field with a velocity v.
In which loop(s) will the induced emf be the largest at the instant when the loops enter the magnetic field?
only P
only Q
only P and Q
only Q and R
Question 11.
The emission spectrum of an element is the range of frequencies of radiations emitted when electrons move from a higher energy state to a lower one. The picture below illustrates electrons moving from higher to lower energy states.
Which of the following spectrums most closely corresponds to the above transitions?
For Questions 12 to 15, you'll find two statements – one called Assertion (A) and the other labelled Reason (R). Choose the right answer for these questions from the options provided below.
Assertion and Reason are true and Reason is the correct explanation of Assertion.
Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
Assertion is true but Reason is false.
Both Assertion and Reason are false.
Question 12.
Assertion (A):
The work function of a given material increases with an increase in the frequency of the incident radiation.
Reason (R):
As per Einstein’s photoelectric equation hν = φ + KE, work function φ is directly proportional to the frequency ν of the incident radiation.
Question 13.
Assertion (A):
The conductivity of intrinsic semiconductors increases with an increase in temperature.
Reason (R):
Increase in temperature decreases the average time between collisions of electrons.
Question 14.
Assertion (A):
The direction of the electric field is always perpendicular to the equipotential surface.
Reason (R):
Work is done by the electric force in moving a charge between any two points on an equipotential surface is zero.
Question 15.
Assertion (A):
When white light passes through a parallel-sided glass slab, it undergoes dispersion.
Reason (R):
The frequencies of the different colours in white light change as it moves from air to glass.
Section – B
2 Marks for Each Question
Question 16.
The chart displays changes in hole concentration with doping concentration in a semiconductor that has been doped with pentavalent impurities.
Why does the amount of holes decrease when there is more pentavalent doping?
Question 17.
λα and λp represent the wavelengths linked to a moving alpha particle and a proton, respectively.
Find the conditions for the velocities of these two particles so that,
(a) λα > λp
(b) λα = λp
Question 18.
Compare the focal lengths of the two lenses shown below if the radius of curvature of the curved surface is the same in both lenses.
(a) Two copper wires, P and Q with the same cross-sectional area, are connected side by side. They are linked to a battery with a potential difference V. If the length of wire P is 1 and the length of wire Q is 2, determine the ratio of the drift velocities of electrons in wires P and Q.
Question 19.
The picture here displays a setup of a tool used to make a laser light beam wider.
Illustrate how a mix of a curved-outward and a curved-inward lens can also be set up to make a light beam broader. Your response should explain the arrangement of the two lenses and the space between them. (Remember, the rays in both the incoming and outgoing beams are straight.)
OR
A see-through jar, 10 cm tall, is filled with water (refractive index = 4/3). The jar has a curved bottom that's covered with a shiny material.
A plastic disc is under the water, positioned 5 cm below the jar's top. Someone looking at the water sees the disc and its reflection in the shiny part. When the observer views the reflected image from 15 cm above the water surface, what's the curved surface's focal length? (We assume the shiny curved part acts like a round mirror.)
Section – C
3 Marks for Each Question
Question 20.
Determine if the two nuclear reactions mentioned below are either endothermic or exothermic. Present your calculations.
Utilise the details provided to respond to the inquiry:
Question 21.
X and Y are two surfaces with the same potential, and they are 2 metres apart in an electric field that has a consistent strength of 10 volts per metre. The surface X has a potential difference of 10 volts.
Calculate the potential of surface Y.
How much work is done when shifting a +2 C charge from surface Y to surface X using Path 1? Does this work change if the charge moves along Path 2? Explain your answer.
Question 22.
(a) Compare the de Broglie wavelength linked to the electron in the third orbit with the orbit's circumference.
(b) In which of the following will the electrons have the same de Broglie wavelength?
Third orbit of He atom
Fourth orbit of He atom
(Third orbit of Li atom
Sixth orbit of Be atom
Show your calculations.
Section – D
4 Marks for Each Question
Question 23.
Read the following paragraph and answer the questions that follow.
In many mobile gadgets, the power needed to charge the battery is usually 5 volts of straight flow electricity. In India, the power sent to our houses is a kind of electricity that changes direction, called alternating current, with a strength of 220 volts and happens 50 times per second. Fatima created a basic form of a charger for a mobile phone. She crafted a setup using a special kind of transformer and two similar silicon devices, D1 and D2, as displayed in the picture. Examine the illustration and respond to the subsequent inquiries.
(a) Is it possible for Fatima to charge a phone battery by connecting it directly to the AC power supply? Explain why or why not.
(b) The picture displays the potential barrier (V) in relation to the width of the depletion region (x) when D1 is not biassed at room temperature.
Create a chart that compares the potential barrier (V) with the width of the depletion region (x) for D1 at room temperature when the voltage at point A is negative compared to the voltage at the centre tap. Explain why.
OR
If you link the phone battery straight to the output parts of the transformer's secondary coil, will the battery receive a charge? Explain your response.
(c) What will be the phone battery's output frequency if we flip D2 in Fig. 1 and replace the centre-tapped three-output transformer with a two-output step-down transformer? Explain your answer.
CBSE Class 12 Physics Exam Marking Scheme 2024
CBSE Class 12 Physics Exam Marking Scheme 2024
Sections
Number of questions
Marks Allotted
Section-A
16 (12 MCQs and 4 Assertion Reasoning)
1 x 16 = 16
Section-B
5 Questions
5 x 2 = 10
Section-C
7 Questions
7 x 3 = 21
Section-D
2 Case Study Based Questions
2 x 4 = 8
Section-E
3 Long Answer Questions
3 x 5 = 15
Importancе of CBSE Class 12 Physics Additional Practice Paper 2024 for Class 12 Board Exams
The Physics board exam for Class 12 can be a challenging task for many students. Understanding the subject well, having good problem-solving skills, and applying theoretical knowledge to real-life situations are essential. CBSE's extra practice questions aim to help students bridge the gap between theory and application. Here's why these questions are crucial:
Comprehensive Coverage:
These questions address a broad range of topics from the Class 12 Physics syllabus. Practising them ensures that students have revised every crucial concept.
Exam-Like Experience:
The practice questions are formatted similarly to actual board exam papers. This provides students with an authentic exam experience, helping them become familiar with the paper pattern, question types, and time management.
Enhanced Problem-Solving Skills:
Physics revolves around problem-solving. The additional practice questions challenge students to think critically, analyse data, and apply formulas and theories to real-world scenarios. This improves their problem-solving abilities.
Self-Assessment:
These questions enable students to assess their own knowledge and performance. After attempting them, students can identify their strengths and weaknesses in various topics.
Incorporating Additional Practicе Quеstions into Your Prеparation Stratеgy for Class 12 Physics Board Exam
To get the most out of CBSE's extra practice questions for Class 12 Physics, students should consider the following strategies:
Structured Study Plan:
Make a clear study plan that sets aside time for regularly practising extra questions. Assign specific times in your schedule for these questions to make sure you don't forget them.
Topic-based Approach:
Begin with the topics that you find most challenging or those with the highest importance in the exam. Go through the extra practice questions for each topic to strengthen your understanding.
Time Yourself:
To mimic exam conditions, set a timer while solving these questions. This will improve your time management skills, ensuring you can answer all questions within the allocated time during the actual exam.
Review and Learn:
After solving the questions, don't just move on. Review your answers and understand your mistakes. This step is crucial for learning, helping you avoid similar errors in the future.
Use Multiple Resources:
Combine the extra practice questions with your textbook, class notes, and reference materials. This well-rounded approach will provide a more comprehensive understanding of the subject.
Seek Guidance:
If you face difficulties with certain questions or topics, don't hesitate to seek guidance from your teachers, tutors, or peers. Collaboration and clarification are essential for mastering physics.
Practice Regularly:
Consistency is crucial. Aim to practise a few extra questions every day instead of cramming them all at once.
CBSE's extra practice questions for Class 12 Physics are a valuable resource for students preparing for their board exams. They offer a comprehensive way to assess and improve your knowledge and problem-solving skills. By integrating these questions into your study routine with a well-structured plan, you can enhance your confidence and readiness for the Class 12 Physics exam, ultimately helping you achieve your academic goals.
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