MEDIUM
8th ICSE
IMPORTANT
Earn 100

Draw ray diagrams of the behaviour of a ray of light passing through two prisms placed next to each other such that their adjacent faces are parallel.

Important Questions on Light Energy

EASY
8th ICSE
IMPORTANT

Draw a ray diagram of the image formed by a concave mirror if the object placed at infinity.

EASY
8th ICSE
IMPORTANT

Draw a ray diagram of the image formed by a concave mirror if the object placed between C and F.

EASY
8th ICSE
IMPORTANT

Draw a ray diagram of the image formed by a concave mirror if the object placed at F.

EASY
8th ICSE
IMPORTANT

Draw a ray diagram of the image formed by a concave mirror if the object placed between F and P.

EASY
8th ICSE
IMPORTANT

Draw a ray diagram of the image formed by a concave mirror if the object placed at C.

MEDIUM
8th ICSE
IMPORTANT
There is a coloured stone at the bottom of a swimming pool. Jasvinder is trying to hit it with an arrow. However, each time he misses the target by a narrow margin. Can you explain to Jasvinder why he misses the target and how can he hit it with more accuracy?
EASY
8th ICSE
IMPORTANT
An object is placed at the centre of curvature of a concave mirror of radius of curvature 20 cm and focal length 10 cm. At what distance from the pole will its image be formed?
EASY
8th ICSE
IMPORTANT
 Why does a paper catch fire if a concave mirror is used to focus sunlight?