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Visible Light and Electromagnetic Spectrum

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

What is visible light?

a)

Sound waves that can be seen by the human eye

b)

Electromagnetic radiation that is visible to the human eye

c)

A type of gas that emits light

d)

A form of energy that is invisible to the human eye

2.

Which color has the longest wavelength in the visible spectrum?

a)

yellow

b)

red

c)

green

d)

blue

3.

What happens when light reflects off a smooth surface?

a)

The angle of incidence is equal to the angle of reflection.

b)

The angle of incidence has no relation to the angle of reflection.

c)

The angle of incidence is less than the angle of reflection.

d)

The angle of incidence is greater than the angle of reflection.

4.

What is refraction of light?

a)

The absorption of light as it passes from one medium to another medium with a different refractive index.

b)

The reflection of light as it passes from one medium to another medium with a different refractive index.

c)

The scattering of light as it passes from one medium to another medium with a different refractive index.

d)

The bending of light as it passes from one medium to another medium with a different refractive index.

5.

Which of the following is not an electromagnetic wave?

a)

X-rays

b)

Radio waves

c)

Light waves

d)

Sound waves

6.

Which type of electromagnetic wave has the highest frequency?

a)

Gamma rays

b)

Radio waves

c)

X-rays

d)

Infrared waves

7.

Which color of light is absorbed by a green object?

a)

Blue

b)

Yellow

c)

Green

d)

Red

8.

Which wavelengths of the EM spectrum are dangerous to life?

a)

radio, micro and gamma

b)

gamma, infrared, and UV

c)

Infrared, UV and X Rays

d)

UV, X rays and Gamma

9.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
10.
Select the correct order of waves on the EMS from the longest wavelength to the shortest wavelength
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c)
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
11.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
12.
How much of the electromagnetic spectrum is visible?
a)
All of it
b)
None of it
c)
Most of it
d)
Only a small part
13.
If someone is wearing a black shirt in the sunshine, what will the black do to the light?
a)
Reflect it
b)
Absorb it
c)
Refract it
d)
Diffuse it
14.

When light hits a shiny surface how does it behave?

a)

Light reflects off shiny surfaces and bounces back at the source.

b)

Light refracts and bounces back at the source.

c)

Shiny surfaces absorb and stop light.

d)

Light is transmitted through the shiny surface.

15.
Why does the lower part of the child appear so much different in size from the upper part?
a)
The light rays that travel through water and then into air are refracted.
b)
The light rays that travel through water and then into air are enlarged.
c)
The light rays that travel through air and then into water are reflected.
d)
The light rays that travel through air and then into water are reduced.