Advertisements
Advertisements
प्रश्न
A ray of light when passes from glass to air, bends towards the normal.
पर्याय
True
False
Advertisements
उत्तर
False.
APPEARS IN
संबंधित प्रश्न
The image formed by a plane mirror is :
(a) virtual, behind the mirror and enlarged.
(b) virtual, behind the mirror and of the same size as the object.
(c) real, at the surface of the mirror and enlarged.
(d) real, behind the mirror and of the same size as the object.
Explain how to read the following message which was found on some blotting paper:
State whether the following statement is true or false:
Refraction occurs because light slows down in denser materials.
What is meant by 'refraction of light'? Draw a labelled ray diagram to show the refraction of light.
Name the phenomenon due to which a pencil partly immersed in water and held obliquely appears to be bent at the water surface.
The depth of a pond when seen from above appears to be less.
We can see the sun even when it is little below the horizon because of ______.
Explain the working of a periscope.
In the above diagram light is travelling through different media. It is noted by a scientist that ∠1= ∠3 = ∠4 but ∠2 < ∠1. Which of the following statement would be correct?
How do twinkling stars occur? (or) what is the cause of the twinkling of stars?
