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Refraction of Light

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

What happens to the light rays in a convex lens?

a)

Converge

b)

Diverge

c)

Surge

d)

Reflect

2.

What do you call the bending of light as it passes from one medium to another?

a)

Reflection

b)

Recreation

c)

Refraction

d)

Rotatiom

3.

In a lens diagram, what does "u" mean?

a)

Object distance

b)

Image distance

c)

Focal Point

d)

Focal Length

4.

Looking at the diagram, describe the object distance.

a)

u>2f

b)

u=2f

c)

u=f

d)

f<u<2f

5.

Looking at the diagram, describe the object distance.

a)

u>2f

b)

u=2f

c)

f<u<2f

d)

u=infinity

6.

When the object is between F and 2F (f<u<2f), what type of image is formed?

a)

Reel

b)

Real

c)

Virtual

d)

Vertical

7.

When the object is at F (u=f), what is the orientation of the image?

a)

Upright

b)

Inverted

c)

Diagonal

d)

3-dimentional

8.

When the object is beyond 2F (f<u<2f), what is the image distance (v)?

a)

v=2f

b)

v>2f

c)

v<2f

d)

f<v<2f

9.

It is a visual defect where the person sees near image as blurry.

a)

Hypermetropia

b)

Myopia

c)

Utopia

d)

Sophia

10.

This happens when the eyeballs are too long or the eye lenses are too thick

a)

Hypermetropia

b)

Myopia

c)

Utopia

d)

Hyperion

11.

A ____ is formed when the sky is refracted on the road during hot sunny weather.

a)

Rainbow

b)

Halo

c)

Mirage

d)

Green flash

12.

As a hunter you see a fish in a river. Where should you aim your spear?

a)

Exactly at the fish

b)

Below the fish

c)

Above the fish

d)

Nevermind, you will miss anyway.

13.

Which of the following does not produce an image?

a)

u=f

b)

u<2f

c)

u<f

d)

u=infinity

14.

What happens to the light when it travels from less dense to more dense medium?

a)

speed up

b)

slows down

c)

breaks

d)

parks

15.

In the applications of lenses, what is shown in the picture?

a)

Compound Microscope

b)

Magnifying Glass

c)

Refracting Telescope

d)

Eyeglasses