Question

Which is optically denser ?



Water

Glass



2. Out of air and glass which is optically rarer

Air

Glass



3. Name the mirror which converges the rays of light


Concave mirror

Convex mirror



4. Name the mirror which diverges the rays of light



Convex mirror

Concave mirror



5. How will the rays of light bend while travelling from air to glass?



Away from the normal

Towards the normal

Remains undeviated



6. How will the rays of light bend while travelling from glass to air?


Remains undeviated

Towards the normal

Away from the normal

7. What is the angle of incidence when the rays of light falls normally on a glass slab ?

1 point

Ninety degree

Sixty degree

Zero degree

Clear selection

8. Name the spherical mirror which always forms virtual image

1 point

Concave mirror

Convex mirror

Clear selection

9. Name the spherical mirror used as shaving mirror

1 point

Concave mirror

Convex mirror

Clear selection​

Answer 1

1. Glass
2. Air
3. Concave mirror
4. Convex mirror
5. Away from the normal
6. Towards the normal
7. 90°
8. Convex mirror
9. Concave mirror