EASY
9th Tamil Nadu Board
IMPORTANT
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The speed of light is maximum in

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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.
The angle of deviation depends on the refractive index of the glass.
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.
If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.
EASY
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 convex mirror always produces a virtual, diminished and erect image of the object.
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.