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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 :
MEDIUM
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 1
What oscillates in electromagnetic waves? Are these waves transverse or longitudinal?
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?