Free Printable LIGHT AND OPTIC

Worksheets

LIGHT AND OPTIC

Total questions: 22

Worksheet time: 19mins

Name

Class

Date

Law of reflection state that - The angle of incidence is .................. to the angle of reflection.

equal

double

half

In the image, all the rays meet at F, What is F

focal length

focal point

center of curvature

reflection

The ray of light that strikes a reflecting surface is called ________.

incident ray

reflected ray

normal ray

none of the above

Light travels in ___________ lines

wavy

bent

straight

backwards

If the angle of incidence is 45 degree, what is the angle between the incident ray and reflecting surface

180

none of the above

what is the angle between the incident ray and the normal called as

angle of incidence

angle of reflection

angle of convergent

angle of divergent

Law of reflection state that - The angle of incidence is .................. to the angle of reflection.

equal

double

half

What is reflection?

Reflection is the bouncing of light off the surface that it strikes on.

Reflection is the absorbing of light off the surface that it strikes on.

Reflection is the bending of light off the surface that it strikes on.

Reflection is the scattering of light off the surface that it strikes on.

This shows the phenomenon known as....

reflection

refraction

mirrors

focal point

10.

How does light behave as it enters these mediums?

continue its path as straight line.

bends toward the normal

bends away from the normal

reflects

11.

The velocity of light in vacuum is _______ m/s.

3x10⁸

3x10¹²

3x10⁶

3x10¹⁰

12.

The formula to calculate the refractive index is

n=cv

n=v/c

n=c/v

v=nc

13.

What is the index of refraction of a refractive liquid if the angle of incidence in the air is 35 degrees and the angle of refraction is 14 degrees?

1.33

2.21

2.37

1.72

14.

A converging lens is also known as a ____ lens.

convex

concave

double

refracted

15.

A diverging lens is also known as a ____lens.

refracted

diffracted

convex

concave

16.

This image is.....

inverted and smaller

inverted and larger

not inverted and smaller

not inverted and larger

17.

Sara is using a magnifying glass to closely examine her stamp collection. Which type of lens is found in a magnifying glass.

bifocal

concave

convex

prismatic

18.

Above is the ray diagram for the...................................

Stethoscope

Microscope

Telescope

Magnifying glass

19.

Choose the characteristics of image form from above ray diagram?

Real

Inverted

Magnified

Virtual

Upright

20.

Above is the ray diagram for the...................................

Stethoscope

Microscope

Telescope

Magnifying glass

21.

In a normal adjustment, what is the distance between objective lense and eyepiece when the focal length of the objective lense is 30cm and the focal length of eyepiece is 5cm.

35cm

25cm

30cm

5cm

22.

Which pair of lenses can be used to construct a telescope?

two concave lenses with focal lengths of 6 cm and 9 cm.

two convex lenses with focal lengths of 10 cm and 80 cm.

two concave lenses with focal lengths of 10 cm and 80 cm.

a convex lens with focal length 6 cm and a concave with focal length 9 cm.

100 %

LIGHT AND OPTIC

Total questions: 22

Worksheet time: 19mins

Similar Resources on Wayground