HARD
9th Tamil Nadu Board
IMPORTANT
Earn 100

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

Important Questions on Light

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q i
_____ is used as reflectors in torchlight.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q i
The speed of light is maximum in
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q ii
State whether true or false. If false, correct the statement.
The reason for brilliance of diamonds is total internal reflection of light.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q iii
The mirror used in search light is a _____ (convex/ concave) mirror.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q vi
According to Cartesian sign convention, which mirror and which lens has negative focal length?
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q vi
What is the speed of light in vacuum?
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?