EASY
10th CBSE
IMPORTANT
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The central portion of a thin lens behaves like a rectangular slab.

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Important Questions on Refraction of Light

EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 4
The values of f and u for a concave lens are always negative by convention.
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 5
When two lenses are placed in contact, the focal length of the combination is equal to the sum of the focal lengths of the lenses.
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 6
The number of cones in the human eye is more than the number of rods.
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 7
When light rays are incident on the eye, maximum deviation takes place at the cornea.
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 8
For the myopic eye, the far point is farther away than normal.