Give any one use of infrared rays.

Important Questions on Electromagnetic Waves

EASY

12th Andhra Pradesh Board

IMPORTANT

Intermediate Second Year Physics>Chapter 11 - Electromagnetic Waves>MODEL QUESTIONS (IPE PATTERN)>Q 3

If the wavelength of electromagnetic radiation is doubled, what happened to the energy of photon.

MEDIUM

12th Andhra Pradesh Board

IMPORTANT

Intermediate Second Year Physics>Chapter 11 - Electromagnetic Waves>MODEL QUESTIONS (IPE PATTERN)>Q 4

What is the principle of production of electromagnetic waves?

EASY

12th Andhra Pradesh Board

IMPORTANT

Intermediate Second Year Physics>Chapter 11 - Electromagnetic Waves>MODEL QUESTIONS (IPE PATTERN)>Q 5

What is the ratio of speed of infrared rays and ultraviolet rays in vacuum?

HARD

12th Andhra Pradesh Board

IMPORTANT

Intermediate Second Year Physics>Chapter 11 - Electromagnetic Waves>MODEL QUESTIONS (IPE PATTERN)>Q 6

What is the relation of the amplitudes of electric and magnetic fields in free space for an electromagnetic wave?

MEDIUM

12th Andhra Pradesh Board

IMPORTANT

Intermediate Second Year Physics>Chapter 11 - Electromagnetic Waves>MODEL QUESTIONS (IPE PATTERN)>Q 7

What are the applications of microwaves?

HARD

12th Andhra Pradesh Board

IMPORTANT

Intermediate Second Year Physics>Chapter 11 - Electromagnetic Waves>MODEL QUESTIONS (IPE PATTERN)>Q 8

Microwaves are used in radars, why?

MEDIUM

12th Andhra Pradesh Board

IMPORTANT

Intermediate Second Year Physics>Chapter 11 - Electromagnetic Waves>MODEL QUESTIONS (IPE PATTERN)>Q 9

Give two uses of infrared rays.

HARD

12th Andhra Pradesh Board

IMPORTANT

Intermediate Second Year Physics>Chapter 11 - Electromagnetic Waves>MODEL QUESTIONS (IPE PATTERN)>Q 10

The charging current for a capacitor is $0.6 A$. What is the displacement current across its plates?