Electromagnetic Waves Mock Tests

40 questions available

Electromagnetic Waves Mock Test 1

Questions: 30

Electromagnetic Waves Mock Test 2

Questions: 10

Sample Questions

CUET Physics

In an electromagnetic wave, the electric field varies as E = E₀ sin(kx − ωt). The corresponding magnetic field is:

A B = (E₀/c) sin(kx − ωt) along direction perpendicular to E and propagation

B B = E₀c sin(kx − ωt) along direction parallel to E

C B = E₀ sin(kx − ωt) along direction of propagation

D B = (E₀/c²) sin(kx − ωt) along direction perpendicular to E

CUET Physics

The speed of electromagnetic waves in vacuum is:

A 3 × 10⁶ m/s

B 3 × 10⁸ m/s

C 3 × 10¹⁰ m/s

D 3 × 10⁵ m/s

NEET Physics

In an electromagnetic wave, the peak electric field is 3 × 10² V/m. The peak magnetic field is: (c = 3 × 10⁸ m/s)

A 10⁻⁶ T

B 10⁻⁵ T

C 10⁻⁴ T

D 10⁻³ T

Class 12 Physics

The ratio of the speed of electromagnetic waves in vacuum to the speed in a medium of relative permittivity ε_r = 2.25 and relative permeability μ_r = 1 is:

A 1.5 : 1

B 1 : 1.5

C 2.25 : 1

D 1 : 2.25

JEE Main Physics

The speed of electromagnetic waves in a medium of permittivity epsilon and permeability mu is:

A 1/√(μϵ)

B √(μϵ)

C μϵ

D 1/(μϵ)

JEE Main Physics

Which of the following electromagnetic waves has the highest frequency?

A Microwaves

B Ultraviolet rays

C X-rays

D Gamma rays

NEET Physics

An EM wave of frequency 100 MHz is traveling in vacuum. Its wavelength is: (c = 3 × 10⁸ m/s)

A 3 m

B 1 m

C 30 m

D 0.3 m

Class 12 Physics

Electromagnetic waves are produced by:

A a stationary charge

B a uniformly moving charge

C an oscillating charge

D a charge moving at constant velocity

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