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प्रश्न
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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
Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.
The perpendicular to the mirror at the point of incidence is called ______.
The reflection of light from a wooden surface is _________ reflection.
Write down four characteristics of image formed in a plane mirror.
How many images will be formed when an object is placed between two parallel plane mirrors with their reflecting surfaces facing each other? Why do more distant images appear fainter?
An object is placed 2 cm from a plane mirror. If the object is moved by 1 cm towards the mirror, what will be the distance between the object and its new image?
Does the mirror named by you above give real images for all locations of object?
The reflection of a ray of light (OA) normally incident on a plane mirror is shown below
What are the angles of incidence and reflection?
Which of the following can make a parallel beam of light when light from a point source is incident on it?
Plane mirrors are used as looking glass, to reflect light on objects and in periscopes.
