The Human Eye and the Colourful WorldClass 10 Physics Previous Year Questions
55 Questions
MCQs
3 questionsCBSE 2026 · Set 31/4/1MCQ
The pair of eye parts responsible for admitting different amount of light in to the eyes is
- (A) Iris and pupil
- (B) Ciliary muscles and pupil
- (C) Retina and Iris
- (D) Ciliary muscles and cornea
CBSE 2026 · Set 31/2/11 markMCQ
A thin beam of white light falls on a face of a glass prism and a spectrum is obtained on a screen. Which of the following options is the correct sequence of colours from top to bottom on the screen ?
(A) Red, Green, Yellow, Violet, Blue
(B) Red, Yellow, Green, Blue, Violet
(C) Violet, Blue, Green, Yellow, Red
(D) Violet, Red, Green, Yellow, Blue
CBSE 2026 · Set 31/1/11 markMCQ
When you look at an object very close to your eyes, the :
- [(A)] Ciliary muscles of your eye contract and the eye lens becomes thick.
- [(B)] Ciliary muscles of your eye get relaxed and the eye lens becomes thick.
- [(C)] Ciliary muscles of your eye contract and the eye lens becomes thin.
- [(D)] Ciliary muscles of your eye get relaxed and the eye lens becomes thin.