MEDIUM
6th CBSE
IMPORTANT
Earn 100

Describe a pinhole camera. Why is the image formed by it inverted?

Important Questions on Light, Shadows and Reflections

EASY
6th CBSE
IMPORTANT
Distinguish among transparent, translucent and opaque objects. 
EASY
6th CBSE
IMPORTANT
What will be the shape of a shadow?
EASY
6th CBSE
IMPORTANT
Which of these enables us to see various objects without glare—regular or irregular reflection?
EASY
6th CBSE
IMPORTANT
Which of these travels faster—light or sound?
EASY
6th CBSE
IMPORTANT
How many plane mirrors are used in a periscope?   
EASY
6th CBSE
IMPORTANT
Do stars have their own light? 
EASY
6th CBSE
IMPORTANT
Do you use a periscope only to see objects lying above your viewing plane?
EASY
6th CBSE
IMPORTANT
The mirror image of a wall clock shows the time as 12 o'clock. What is the actual time?