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Electromagnetic Waves Reviewer

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

All types of electromagnetic waves travel at the same speed of light. What is the standard speed of electromagnetic wave in meter per second (m/s)?

a)

3.0 x 103

b)

3.0 x 105

c)

3.0 x 107

d)

3.0 x 108

2.

What is the relationship between the wavelength and frequency of a wave?

a)

Wavelength and frequency are directly proportional

b)

Wavelength and frequency are inversely proportional

c)

Wavelength and frequency are indirectly proportional

d)

Wavelength and frequency are unrelated and does not affect each other

3.

Which of the electromagnetic wave has shorter wavelength than ultraviolet radiation?

a)

Visible light

b)

Radiowave

c)

Infrared

d)

Microwave

4.

A French Physicist who discovered gamma radiation in 1900.

a)

Paul Villard

b)

Wilhelm Conrad Roentgen

c)

Heinrich Hertz

d)

James Clerk Maxwell

5.

What type of electromagnetic wave is used in thermal imaging?

a)

X-Ray

b)

UV Ray

c)

Visible Light

d)

Infrared

6.

What type of electromagnetic wave is visible to the naked human eye?

a)

Microwave

b)

Infrared

c)

Visible Light

d)

X-Ray

7.

Who was the first to produce and detect electromagnetic wave and proved the electromagnetic theory?

a)

Heinrich Hertz

b)

Sir Isaac Newton

c)

James Clerk Maxwell

d)

Paul Villard

8.

Among the electromagnetic waves below, which has highest frequency?

a)

X-Ray

b)

Visible Light

c)

Ultraviolet Radiation

d)

Infrared

9.

Banks use _____ lamps to check the signature on a passbook and to identify fake banknotes.

a)

UV

b)

Infrared

c)

Microwave

d)

Visible Light

10.

Infrared Technology provided numerous advantages. It is used in the following devices, EXCEPT ____.

a)

Home Security Systems

b)

Navigation Systems

c)

Mobile Phones

d)

Car Locking Systems

11.

Among the colors of the visible light, which one has the highest frequency?

(a)  

12.

Who discovered the constituent colors of the visible light?

(a)  

13.

It refers to the force field sorrounding electric charges or group of charges

(a)  

14.

It refers to the physical property of an object to attract or repel objects containing ferromagnetic substance such as iron and nickel

(a)  

15.

What electromagnetic wave is used in medical treatments, sanitation and sterilization process?

(a)