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प्रश्न
Tick the correct answer.
Light causes
विकल्प
Sensation of heat
Sensation of vision
Sensation of sound
None of these
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उत्तर
Sensation of vision
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संबंधित प्रश्न
Select the correct alternative.
The luminous body is
How does light make an object visible?
Does the flame of a gas stove emit light?
What do you understand by candle power?
The sun and ______ are the natural sources of light.
Write true or false
The stars have no light.
Write about two everyday situations that tell you that light travels in a straight line.
a) Draw ray diagrams to show how the image is formed using a concave mirror, when the position of object is:
- at C
- between C and F
- between F and P of the mirror.
b) Mention the position and nature of image in each case.
Boojho made light from a laser torch fall on a prism. Will he be able to observe a band of seven colours? Explain with a reason.
Look at the figure given in the following figure.
Will there be any difference in the shadow formed on the screen in A and B.
