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Electromagnetic Waves

Total questions: 15

Worksheet time: 2mins

Name
Class
Date
1.

1. Electromagnetic waves are longitudinal waves.

a)

TRUE

b)

FALSE

2.

The invisible spectrum contains all the colors of the rainbow.

a)

TRUE

b)

FALSE

3.

The source of all electromagnetic waves is oscillating electrons.

a)

TRUE

b)

FALSE

4.

Among the types of EM Waves Radio waves have the highest frequency level.

a)

TRUE

b)

FALSE

5.

Albert Einstein , developed the special and general theories of relativity.

a)

TRUE

b)

FALSE

6.

An electromagnetic consists of an electric field and a magnetic field.

a)

TRUE

b)

FALSE

7.

§electromagnetic waves DO NOT carry energy from one place to another.

a)

TRUE

b)

FALSE

8.

The source of all electromagnetic waves is charge that is changing speed or direction.

a)

TRUE

b)

FALSE

9.

§Electromagnetic waves (EM Waves )travel at that speed, called the speed of light, is about 300 million meters per second (3.0 x 108 m/s).

a)

TRUE

b)

FALSE

10.

High-frequency waves have a lot of energy and also have more potentially harmful.

a)

TRUE

b)

FALSE

11.

Radio Broadcasting

is modulated with the help of various modulation techniques such as (AM) and (FM).

a)

TRUE

b)

FALSE

12.

Cellphone is one of the application of waves.

a)

TRUE

b)

FALSE

13.

RADAR is the acronym for radio detection and reactions.

a)

TRUE

b)

FALSE

14.

Satellite Communication It is used to broadcast information over significantly large distances with the help of satellites.

a)

TRUE

b)

FALSE

15.

Infrared waves are can be seen by the human eyes.

a)

TRUE

b)

FALSE