EASY
8th CBSE
IMPORTANT
Earn 100

Give one example other than rainbow, where you see natural dispersion of sunlight.

Important Questions on Light

EASY
8th CBSE
IMPORTANT
Does the spectrum formed by a prism also depend upon reflection of white light?
HARD
8th CBSE
IMPORTANT

Match the correct answer. 

a. Retina  i. Controls the amount of light that enters the eye 
b. Eye lens  ii. Colour of the eye 
c. Pupil  iii. Changes the shape of lens 
d. Ciliary muscles  iv. Screen 
e. Iris  v. A thin muscular layer where the image is formed 
EASY
8th CBSE
IMPORTANT
Eye donation is done after _____.
EASY
8th CBSE
IMPORTANT
_____ (Charles Braille/Louis Braille/Ellen Braille) invented Braille system of reading and writing for the visually challenged.
EASY
8th CBSE
IMPORTANT
Lack of vitamin _____ (A/B/C/D) can cause night blindness.
EASY
8th CBSE
IMPORTANT
Blind spot is a point of _____ (no/real) image.
EASY
8th CBSE
IMPORTANT
_____ is a vision defect, caused when transparent convex lens of the eye becomes cloudy.
MEDIUM
8th CBSE
IMPORTANT
'Angle of incidence is less than the angle of reflection'. This statement holds true for