EASY
10th CBSE
IMPORTANT
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For the myopic eye, the far point is farther away than normal.

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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 1
Define refractive index.
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 2
When a ray of light passes from Medium 1 to Medium 2, it bends away from the normal. Which of the two is the optically denser medium?
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 3
A ray of light travelling in air is incident on a face of a rectangular slab and comes out from the opposite face. The angle between the incident ray and the normal to the surface is 30°. What is the angle between the ray coming out of the slab and the normal to the face from which it comes out?
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 4
How should a ray be incident on a rectangular slab so that it comes out from the opposite side without being displaced?
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 5
Define the principal axis of a lens.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 6
Where should an object be placed before a convex lens so that a real image of the same size as the object is formed?
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 7
Where should a pin be placed before a convex lens so that the image formed is at infinity?
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 2 - Refraction of Light>EXERCISES>Q 8
The focal length of a thin lens is given by f=-10cm. Is the lens concave or convex?