EASY
10th CBSE
IMPORTANT
Earn 100

What do you understand by the term ‘refraction of light’?

Important Questions on Light - Reflection and Refraction

EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 4 - Light - Reflection and Refraction>IMPORTANT QUESTIONS>Q 15
Define refractive index of a medium.
MEDIUM
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 4 - Light - Reflection and Refraction>IMPORTANT QUESTIONS>Q 16
Why does a light ray incident on a rectangular glass slab immersed in any medium emerges parallel to itself? Explain using a diagram.
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 4 - Light - Reflection and Refraction>IMPORTANT QUESTIONS>Q 17
Define optical centre of a lens.
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 4 - Light - Reflection and Refraction>IMPORTANT QUESTIONS>Q 18
Define the first principal focus of a convex lens.
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 4 - Light - Reflection and Refraction>IMPORTANT QUESTIONS>Q 19
Define the focal length of a lens.
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 4 - Light - Reflection and Refraction>IMPORTANT QUESTIONS>Q 20
What do you understand by the term ‘power of lens’?
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 4 - Light - Reflection and Refraction>IMPORTANT QUESTIONS>Q 21
Give two characteristics of the image formed by a concave lens.
MEDIUM
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 4 - Light - Reflection and Refraction>IMPORTANT QUESTIONS>Q 22
State two applications of a convex lens.