MEDIUM
10th CBSE
IMPORTANT
Earn 100

The refractive indices of water and glass are 4/3 and 3/2 respectively. Find the speed of light in each.

Important Questions on Refraction of Light

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 2
A ray of light travelling in air falls on the surface of a transparent material at an angle of 45° to the normal. It bends by 15° after refraction. Find the refractive index of the material.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 3
A ray of light travelling in air is incident on the surface of a plastic slab at an angle. If the angle of refraction is 30°, and the refractive index of the plastic is 3, find the angle of incidence.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 4
Light is incident on a clear-plastic block at an angle of 45°. The speed of light in the plastic is c/2, where c is the speed of light in vacuum. Find the angle of refraction.
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 5
Find the refractive index of air with respect to water (nwater=4/3)
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 6
A diamond (n = 2.42) is dipped in a liquid of refractive index 1.4. Find the refractive index of diamond with respect to the liquid.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 7
An object is placed at a distance of 30 cm from a convex lens of focal length 20 cm. Find the position of the image.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 7
An object is placed at a distance of 30 cm from a convex lens of focal length 20 cm.
Is the image real or virtual?
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 7
An object is placed at a distance of 30 cm from a convex lens of focal length 20 cm.
Is the image erect or inverted?