EASY
10th CBSE
IMPORTANT
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If focal length of a convex lens is 100 cm, what is the power of the lens?

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Important Questions on Light - Reflection and Refraction

MEDIUM
10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 4 - Light - Reflection and Refraction>Other Additional Questions>Q 16
If magnification is negative, then image is _____.
EASY
10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 4 - Light - Reflection and Refraction>Other Additional Questions>Q 17

Which of the following lenses would you prefer to use while reading small letters found in a dictionary__

EASY
10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 4 - Light - Reflection and Refraction>Other Additional Questions>Q 18

Which mirror has a larger field of view?

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10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 4 - Light - Reflection and Refraction>Other Additional Questions>Q 19

What is meant by the number of lens?

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10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 4 - Light - Reflection and Refraction>Other Additional Questions>Q 20

Position of the object when convex lens forms a virtual and erect image is

EASY
10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 4 - Light - Reflection and Refraction>Summative Assessment>Q 1

The imaginary line passing through the centre of curvature and pole of the mirror is called__

EASY
10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 4 - Light - Reflection and Refraction>Summative Assessment>Q 2

The image formed by a convex lens can be__

EASY
10th CBSE
IMPORTANT
SCIENCE [PHYSICS] Class-10>Chapter 4 - Light - Reflection and Refraction>Summative Assessment>Q 3
Focal length of a concave mirror is ______