State any two observations from everyday life which show that light travels in straight lines
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My observation includes following:-
(1) When anyone turn the torch on and we stand in path of light, we can see our shadow on other side.
(2) In a dark room, when light is entering through a hole, we can clearly see a straight ray of light.
(1) When anyone turn the torch on and we stand in path of light, we can see our shadow on other side.
(2) In a dark room, when light is entering through a hole, we can clearly see a straight ray of light.
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Answer:
The beams of search lights at the airports (or from light houses in the sea) and the beam of light coming from the projection room of a cinema hall and falling on the screen show that light travels in straight lines.
Explanation:
The beams of search lights at the airports (or from light houses in the sea) and the beam of light coming from the projection room of a cinema hall and falling on the screen show that light travels in straight lines.
Explanation:
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