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IMPORTANT
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Name the EM wave used for studying crystal structure of solids

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Important Questions on Electromagnetic Waves

EASY
JEE Main
IMPORTANT
Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 1>Q 22
The amplitudes of electric and magnetic fields related to each other are
EASY
JEE Main
IMPORTANT
Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 1>Q 23
Which of the following is of shortest wavelength?
EASY
JEE Main
IMPORTANT
Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 2>Q 1
The value of the magnetic field between the plates of a capacitor at a distance of 1 m from the centre where electric field varies by 1010 V m-1s-1 will be
MEDIUM
JEE Main
IMPORTANT
Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 2>Q 2
An electromagnetic wave of frequency 5 GHz is travelling in a medium whose relative electric permittivity and relative magnetic permeability both are 2. Its velocity in this medium is .......×107 m/s
EASY
JEE Main
IMPORTANT
Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 2>Q 3
For radiation of 9 GHz passing through air. The number of waves passing through 1 m length is
EASY
JEE Main
IMPORTANT
Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 2>Q 4
A light beam travelling in the x-direction is described by the electric field Ey=300 V m-1sinωt-xc. The maximum magnetic field is
EASY
JEE Main
IMPORTANT
Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 2>Q 5
An electromagnetic radiation of frequency v, wavelength λ travelling with velocity c in air enters a glass slab of refractive index μ. The frequency, wavelength and velocity in the glass slab will be, respectively,
EASY
JEE Main
IMPORTANT
Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 2>Q 6
The wavelength of electromagnetic waves employed for space communication lie in the range of-