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Subjects
Science State Board
Class 10
Optics
Textbook questions
7.
True or false. If false, correct it
Exercise condition:
8
m.
1
.
Velocity of light is greater in denser medium than in rarer medium.
False
True
Velocity of light is greater in denser medium than in rarer medium
Velocity of light is lesser in a denser medium than in rarer medium
2
.
The power of lens depends on the focal length of the lens.
False
True
The power of lens does not depends on the focal length of the lens
The power of lens depends on the focal length of the lens
3
.
Increase in the converging power of eye lens cause ‘hypermetropia’.
True
False
Increase in the converging power of eye lens cause hypermetropia.
Increase in the converging power of eye lens cause myopia.
4
.
The convex lens always gives small virtual image.
True
False
The convex lens gives small virtual image
The convex lens give enlarged virtual image.
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