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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
Fill in the blank
We are able to see the objects around us due to _________, reflection.
How is a plane mirror made ?
How is the position of image formed by a plane mirror related to the position of the object ?
A light ray is incident normally on a plane mirror. What is the direction of reflected ray? Show it on a diagram.
What do you understand by the Light?
Identify the following kind of beam of light.
Differentiate between a reflection and a shadow
Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the Figure Which of the following could be inside the box?
You can see a rainbow only when your back is towards the sun.
