State two laws of refraction of light.

Important Questions on Light Reflection and Refraction

MEDIUM

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>MOCK TEST QUESTION PAPER>Q 15

Why is convex mirror called a diverging mirror? Show with a diagram. List two uses of convex mirror.

EASY

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>MOCK TEST QUESTION PAPER>Q 16

What is meant by the power of a lens? State its unit. Power of a lens is $-1.5 \mathrm{D}$. Find its focal length. 

MEDIUM

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>MOCK TEST QUESTION PAPER>Q 17

Describe the phenomenon of refraction of light through glass slab. Draw diagram also.

MEDIUM

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>MOCK TEST QUESTION PAPER>Q 18

A concave lens has focal length $20 \mathrm{cm}$. At what distance from the lens a $5 \mathrm{cm}$ tall object be placed so that it forms an image $15 \mathrm{cm}$ from the lens? What is the size of the image so formed?

EASY

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>MOCK TEST QUESTION PAPER>Q 19

Discuss the application of concave mirror as the dentist's mirror.

EASY

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>MOCK TEST QUESTION PAPER>Q 19

Discuss the application of concave mirror as shaving mirror.

EASY

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>MOCK TEST QUESTION PAPER>Q 19

Discuss the application of concave mirror as a reflector.

MEDIUM

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>MOCK TEST QUESTION PAPER>Q 20

What is meant by lateral inversion? List four characteristics of the image formed by a plane mirror.