EASY
9th Tamil Nadu Board
IMPORTANT
Earn 100

State whether true or false. If false, correct the statement.
The convex mirror always produces a virtual, diminished and erect image of the object.

Important Questions on Light

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.
When an object is at the centre of curvature of concave mirror the image formed will be virtual and erect.
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 iii
The angle of deviation of light ray in a prism depends on the angle of prism and angle of _____.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q iii
The radius of curvature of a concave mirror whose focal length is 5 cm is _____ cm.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q iii
Large _____ mirrors are used to concentrate sunlight to produce heat in solar furnaces.
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
If an object is placed at the focus of a concave mirror, where is the image formed?