MEDIUM
7th CBSE
IMPORTANT
Earn 100

The angle of deviation of a light ray reflected by a plane mirror is 150°. The angle of reflection is _____.

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Important Questions on Light

MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 35
The number of images of an object placed between two plane mirrors placed parallel to each other is _____.
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 36
Choose the correct statement from the following.
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 37
When the light rays appear to be coming out of a point, then we call them a _____ beam of light.
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 38
Read the following statements and choose the correct option.
(A) Shadows are formed due to rectilinear propagation of light.
(B) When the position of the earth is between the sun and the moon, lunar eclipse is formed.
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 42
Read the following statements and choose the correct option.
(A) Moon is a luminous source of light.
(B) A glow-worm is a natural source of light.
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 48
Differentiate between luminous and non-luminous bodies.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 49
Define optical medium.
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 4 - Light>PRACTICE QUESTIONS (CLASSROOM WING)>Q 50
What are point source and extended source of light?