Light (Reflection)

MCQ 01
Which of the following is the speed of light?

• A. 3 metres per second
• B. 30 metres per second
• C. 300 metres per second
• D. 300 000 000 metres per second

Tags

NGSS.HS-PS4-1

MCQ 02
Why can you see most objects?

• A. they emit light
• B. light refracts through them
• C. light reflects off them
• D. they absorb light

Tags

NGSS.MS-PS4-2

MCQ 07
The phenomenon by which the incident light falling on a surface is sent back into the same medium is known as ________.

• A. polarization
• B. reflection
• C. refraction
• D. absorption

Tags

NGSS.MS-PS4-2

MCQ 08
If a capital letter R is seen in a plane mirror, what does it look like?

• A
• B
• C
• D

Tags

NGSS.MS-PS4-2

MCQ 09
When you look at your face in a mirror, where does your face appear to be?

• A. an equal distance behind the mirror to what you are in front
• B. a long way behind the surface of the mirror
• C. on the surface of the mirror
• D. just in front of the mirror

Tags

NGSS.MS-PS4-2

MCQ 010
When light is incident on a polished surface ___________ reflection takes place.

• A. regular
• B. irregular
• C. diffused
• D. normal

Tags

NGSS.MS-PS4-2

MCQ 011
According to the laws of reflection, if i = angle of incidence and r = angle of reflection,

• A. i =  r
• B. i >  r
• C. r >  i
• D. i is not equal to r

Tags

NGSS.MS-PS4-2

MCQ 012
A ray of light is incident on a plane mirror and the angle of reflection is 50 degrees. What is the angle between the incident ray and the reflected ray?

• A. 50 degrees
• B. 25 degrees
• C. 90 degrees
• D. 100 degrees

Tags

NGSS.MS-PS4-2

MCQ 013
A ray of light is incident on a plane mirror and the angle of incidence is 25 degrees. What is the angle of reflection?

• A. 0 degrees
• B. 50 degrees
• C. 90 degrees
• D. 25 degrees

Tags

NGSS.MS-PS4-2

MCQ 014
Which answer explains why no sunlight gets into the cave chamber? 

• A. it is night time
• B. the cave is underground
• C. the light cannot get round the wiggles in the tunnel
• D. the caver’s lamp is brighter than the sunlight