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Electromagnetic Waves Important Questions for NEET FAQs
What are electromagnetic waves?
Electromagnetic waves are waves of electric and magnetic fields that move together in space and can travel without a medium.
Why are electromagnetic waves important for NEET?
This topic is important as it covers fundamental Physics concepts and often features in NEET exam questions.
Where can I get practice questions for electromagnetic waves?
Students can practice questions from Physics Wallah’s Prachand NEET Batch PDF, which includes detailed explanations and answers.
How can I understand the electromagnetic spectrum better?
The electromagnetic spectrum can be understood by learning the order of waves based on their frequency and wavelength,
Electromagnetic Waves Important Questions for NEET 2025 PDF
Electromagnetic Waves Important Questions for NEET, Find important questions on electromagnetic waves for NEET exam. Learn concepts, practice questions, and download PDF
Soumya Tiwari22 Jan, 2025
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Electromagnetic Waves Important Questions for NEET
:
Electromagnetic waves are an important topic in the
NEET Physics syllabus
. These waves, which include light waves, radio waves, and X-rays, play a crucial role in various natural and technological processes. Understanding this topic thoroughly can help students solve questions in the
NEET 2025 exam
and improve their overall scores.
Electromagnetic Waves Important Questions for NEET Overview
Electromagnetic waves
are waves that can travel through the vacuum of space and do not require any medium to propagate. These waves consist of oscillating electric and magnetic fields that are perpendicular to each other and to the direction of wave propagation.
In NEET, questions related to electromagnetic waves often test concepts like the wave's properties, the electromagnetic spectrum, and their practical applications. Having a strong grip on this topic can help students answer such questions confidently.
What are Electromagnetic Waves?
Electromagnetic waves are waves that consist of oscillating electric and magnetic fields, which are perpendicular to each other and to the direction of wave propagation. These waves do not require a medium to travel and can move through the vacuum of space. Common examples of electromagnetic waves include light, microwaves, infrared radiation, ultraviolet radiation, X-rays, and gamma rays. The speed of electromagnetic waves in a vacuum is approximately 3 x 10⁸ m/s, which is the speed of light.
Practice Questions for Electromagnetic Waves for NEET
Here we have provided some sample questions for practice. Students can also download the PDF of practice questions for this chapter.
Q1 If electric field E = E0 sin(ωt - kz) î and magnetic field B = B0 sin(ωt - kz) ĵ, then electromagnetic wave travels along
+z direction
-y direction
+x direction
+y direction
Q2 Displacement current can be expressed as (symbols have their usual meanings)
ε0 dϕE/dt
dϕE/dt
μ0ε0 dϕE/dt
1/μ0ε0 dϕE/dt
Q3 At a particular instant, the current in the circuit given below is i. The displacement current between the plates of the capacitor shown below is
Zero
i
i/2
i/4
Q4 All components of the electromagnetic spectrum in vacuum have the same;
energy
velocity
wavelength
frequency
Q5 Light is an electromagnetic wave. Its speed in vacuum is given by the expression
√(μ0ε0)
μ0/ε0
√(ε0/μ0)
1/√(μ0ε0)
Q6 The electric field in an electromagnetic wave was found to oscillate with an amplitude of 36 Vm⁻¹. The amplitude of the oscillating magnetic field is,
6 × 10⁻⁸ T
12 × 10⁻⁸ T
18 × 10⁻⁸ T
20 × 10⁻⁸ T
Q7 The wavelength of the oscillatory magnetic field in a plane electromagnetic wave given by
By = 0.6 × 10⁻⁵ sin(4000πx - 5 × 10¹⁰πt) T is (where x is in meter and t is in second)
0.4 × 10⁻³ m
0.2 × 10⁻³ m
0.5 × 10⁻³ m
0.3 × 10⁻³ m
Q8 An EM wave is passed through a region containing both electric and magnetic field then which of the following statements is correct?
It is deflected by both electric and magnetic field.
It is deflected by an electric field but not by the magnetic field.
It is not deflected by an electric field but deflected by a magnetic field.
It is neither deflected by an electric field nor by a magnetic field.
Electromagnetic Waves Important Questions for NEET PDF
Physics Wallah is providing a PDF for the chapter Electromagnetic Waves important questions under the
Prachand NEET Batch 2025
. This PDF includes answer keys along with detailed explanations, helping students enhance their understanding of the topic and practice effectively for the NEET exam. Moreover, students can scan the QR code provided in the PDF to view the solutions for each question for a more in-depth learning experience.
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