MEDIUM
7th CBSE
IMPORTANT
Earn 100

What are point source and extended source of light?

Important Questions on Light

MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 51

What is rectilinear propagation of light?

EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 52
What is lunar eclipse ?
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 53
What is reflection?
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 54
What is a real image?
HARD
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 55
Write the mathematical expression to calculate the number of image observed by two plane mirrors placed at an angle 'θ'.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 56
Define centre of curvature.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 57

How many colours are there in white light? Name the various colours of white light.

MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 58
What are hot and cold sources of light?