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12th ICSE
IMPORTANT
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In a plane electromagnetic wave the phase difference between electric and magnetic field vectors is:

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Important Questions on Electromagnetic Waves

EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 13 - Electromagnetic Waves>QUESTIONS>Q 2
Point out the wrong statement: Electromagnetic waves:
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 13 - Electromagnetic Waves>QUESTIONS>Q 3
The dimension of 1/μ0ε0 are :
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12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 13 - Electromagnetic Waves>QUESTIONS>Q 4
The amplitude of the electric field in an electromagnetic wave is 5Vm-1. The amplitude of the magnetic field is:  
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 13 - Electromagnetic Waves>QUESTIONS>Q 5
Heat radiation are:
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 13 - Electromagnetic Waves>QUESTIONS>Q 6
Which of the following are not electromagnetic waves?
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 13 - Electromagnetic Waves>QUESTIONS>Q 7
The decreasing order of the wavelength of infrared, microwaves, ultraviolet  and gamma rays is:  
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 13 - Electromagnetic Waves>QUESTIONS>Q 2
A plane Em wave is travelling in vacuum along X-direction. What can you say about the direction of magnetic and electric fields? The frequency of the wave is 30 MHz, what is its wavelength?
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 13 - Electromagnetic Waves>QUESTIONS>Q 3
In an electromagnetic wave, how are electric vector (E→), magnetic vector (B→) and velocity of propagation of the wave (C→) oriented.