4E Pure Physics_Quiz on Light Reflection, Refraction, Total internal reflection(Publisher's Test Qn)

Quiz by Jessica Lew

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12 questions
• Q1

How would the word "Light” appear in a mirror?

120s
• Q2

The diagram shows a lamp placed in front of a mirror. The image of the lamp formed by the mirror is

at X and is virtual

at Y and is virtual.

at X and is real

at Y and is real.

120s
• Q3

Which of the following ray diagrams is correct?

120s
• Q4

Four students, P, Q,R and S, are standing in front of a plane mirror. How many students is Q able to see in the mirror?

three

none

two

one

120s
• Q5

When light passes from air into glass,

its wavelength decreases because its speed decreases.

its wavelength increases because its speed increases.

its frequency decreases because its speed decreases

its frequency increases because its speed increases.

120s
• Q6

A ray of light is incident on one side of a rectangular glass block with a refractive index of 1.5. The angle of refraction in the glass is 40°. Which diagram correctly shows a possible path of the ray?

120s
• Q7

A swimming pool is lit by a lamp at the bottom of the pool. The directions of three rays from the lamp are shown. Which of the marked angles is the critical angle for the light?

B

C

A

D

120s
• Q8

What is the refractive index of a medium?

The ratio of the speed of light in air to the speed of light in the medium

The ratio of the speed of light in the medium to the speed of light in vacuum

The ratio of the speed of light in vacuum to the speed of light in the medium

The ratio of the speed of light in the medium to the speed of light in air

120s
• Q9

Ref to image

1,2,3

3,1,2

2,3,1

1,3,2

120s
• Q10

Ref to image

1,3,2

1,2,3

3,2,1

3,1,2

120s
• Q11

Ref to image

48.6

41.8

22.6

30.0

120s
• Q12

Ref to image

Refractive index of medium 2 is lower than the refractive index of 1

Medium 1 has the lowest refractive index

Medium 2 has the highest refractive index

The refractive index of medium 1 is lower than the refractive index of medium 3

120s

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