Science Standard 9>Chapter 6 - Light>textbook exercises>Q ix

HARD

9th Tamil Nadu Board

IMPORTANT

Earn 100

Light enters from air into a glass plate having refractive index $1.5$ . What is the speed of light in glass?

Important Questions on Light

HARD

9th Tamil Nadu Board

IMPORTANT

Science Standard 9>Chapter 6 - Light>textbook exercises>Q ix

The speed of light in water is

2.25 \times 10^{8} m / s

. If the speed of light in vacuum is

3 \times 10^{8} m / s

, calculate the refractive index of water.

HARD

9th Tamil Nadu Board

IMPORTANT

Science Standard 9>Chapter 6 - Light>textbook exercises>Q x

Light ray emerges from water into air. Draw a ray diagram indicating the change in its path in water.

HARD

9th Tamil Nadu Board

IMPORTANT

Science Standard 9>Chapter 6 - Light>textbook exercises>Q x

When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?

MEDIUM

9th Tamil Nadu Board

IMPORTANT

Science Standard 9>Chapter 6 - Light>textbook exercises>Q x

What do you conclude about the speed of light in diamond if the refractive index of diamond is

2.41

?