Question
Light from a torch is incident on a plane mirror. The angle of incidence is 
.
What is the angle of reflection?
A
B 
C 
D 
Answer/Explanation
Ans: A
Question
The diagram shows a narrow beam of light incident on a glass-air boundary. Some of the light emerges along the surface of the glass and some is reflected back into the glass.
Which row is correct?
| this is an example of total internal reflection | angle |
A | no | yes |
B | no | no |
C | yes | no |
D | yes | yes |
Answer/Explanation
Ans: A
Question
A ray of light is reflected by a plane mirror.
Which row shows the angle of incidence and the angle of reflection?
| angle of incidence | angle of reflection |
A | P | Q |
B | P | S |
C | Q | R |
D | R | S |
Answer/Explanation
Ans: C
Question
An object is placed 30 cm in front of a plane mirror.
Which statement describes the image of the object?
A The image is the same size and 30 cm from the object.
B The image is the same size and 60 cm from the object.
C The image is smaller and 30 cm from the object.
D The image is smaller and 60 cm from the object.
Answer/Explanation
Ans: B
Question
An object is placed before a plane mirror as shown.
A student views the image of the object in the mirror from point P.
Where does she see the image?
Answer/Explanation
Ans: D