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प्रश्न
उत्तर
Two observations that prove that light travels in a straight line are:-
(a). Sunlight coming through a hole in a dark room, we can easily see that light travels in a straight line
(b). The light coming from laser light, used for presentation, can also be seen to travel in a straight line.
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संबंधित प्रश्न
Write true or false of the following statement.
The image of the right hand in a plane mirror looks like that of a left hand.
What do you mean by the term reflection of light ?
You are standing at a distance of 2 meters from a plane mirror.
What is the distance of your image from the mirror?
Identify the following kind of beam of light.
State whether the following statement is true or false. If false, correct it.
If a ray of light incident on a plane mirror is such that it makes an angle of 30o with the mirror, then the angle of reflection is 60o.
Complete the path of incident ray in the following case.
Light that hits a mirror gets ______.
State whether true or false. If false, correct the statement.
The reason for brilliance of diamonds is total internal reflection of light.
The light falling on the mirror is called as ______ and the light reflected is called reflected ray.
