Refraction

Refraction

10th Grade

7 Qs

quiz-placeholder

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Refraction

Refraction

Assessment

Quiz

Physics

10th Grade

Hard

Created by

khairunnajihah ahim

Used 19+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Refraction always occurs whenever light travels from one medium to another.

TRUE

FALSE

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The speed of light increases when it travels from glass to air.

True

False

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Light bends towards the normal when it travels from glass to air.

True

False

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The refractive index n of a medium is defined as

 n = sin isin rn\ =\ \frac{\sin\ i}{\sin\ r}  

where i = angle of incidence in medium
            r = angle of refraction in vacuum or air

True

False

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

The diagram below shows the complete path of a ray of light travelling from air to a liquid. The refractive index of the liquid is given by

sin 60°sin 50°\frac{\sin\ 60\degree}{\sin\ 50\degree}

sin 30°sin 50°\frac{\sin\ 30\degree}{\sin\ 50\degree}

sin 60°sin 40°\frac{\sin\ 60\degree}{\sin\ 40\degree}

sin 40°sin 50°\frac{\sin\ 40\degree}{\sin\ 50\degree}

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

A ray of light in air is incident at an angle on one side of a rectangular glass block, as shown. Which ray diagram correctly describes the complete path of the ray of light?


(Determine if light bends towards or away from normal at each boundary)

Media Image
Media Image
Media Image
Media Image

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A ray of light strikes the surface of a glass block at an angle of incidence of 45º. The refractive index of the glass is 1.8.

What is the angle of refraction inside the block?

23º

25º

45º

81º