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Invisible nature of visible light!

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What makes everything visible?

a)

Light

b)

Invisible ink

c)

Prism

d)

UV light

2.

Why can't we see light itself?

a)

Photons are invisible

b)

It's a sound wave

c)

It's a solid object

d)

It's too bright

3.

How do we see objects in complete darkness?

a)

By using a spectrometer

b)

By using a flashlight or a lamp

c)

By using a UV light

d)

By using a telescope

4.

What determines the color of light?

a)

Its brightness

b)

Its wavelength

c)

Its area

d)

Its temperature

5.

What can we use to detect wavelengths of light beyond the visible spectrum?

a)

Spectrometer

b)

Prism

c)

Flashlight

d)

Mirror

6.

How is a rainbow created?

a)

When light passes through water droplets in the air and is refracted

b)

When light is absorbed by objects

c)

When light is reflected off of a surface

d)

When light is emitted by a source

7.

What device do scientists use to analyze light and determine its properties?

a)

Spectrometer

b)

Prism

c)

UV light

d)

Flashlight

8.

How do we indirectly see the light from the sun or a lightbulb?

a)

By using a Gyroscope

b)

By looking at the light directly

c)

By analyzing its properties

d)

By observing the objects it illuminates

9.

Can we see ultraviolet and infrared light with our naked eyes?

a)

Yes, always

b)

Yes, sometimes

c)

No, never

d)

It depends on the situation

10.
a)

Visible light

b)

Infrared light

c)

UV light

d)

X rays

11.

What happens to light when it passes through a prism?

a)

It is absorbed

b)

It is reflected

c)

It is refracted at different angles

d)

It becomes invisible

12.

How do we perceive different colors of light?

a)

Through the brightness of the light

b)

Through the area of the light

c)

Through the wavelength of the light

d)

Through the temperature of the light

13.

What can we learn about light by analyzing its properties and behavior?

a)

Its color

b)

Its speed

c)

Its energy

d)

All of the above

14.

Can light travel through vacuum?

a)

Yes, always

b)

Yes, sometimes

c)

No, never

d)

It depends on the situation

15.

Sunlight passing through a glass prism gets separated into 7 different colors but not when passing through atmospheric air, why?

a)

The speed of all colors of light are same in air

b)

The speed of all colors of light are higher in Glass

c)

The speed of all colors of light are different in air

d)

All of the same