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प्रश्न
Define the terms: a ray of light and a beam of light.
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उत्तर
The light traveling in any one direction in a straight line is called a ray of light.
A group of light rays given out from a source is called a beam of light
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संबंधित प्रश्न
Write true or false of the following statement.
Image formed in a pinhole camera is real.
Fill in the blank.
In a pinhole camera, the image formed is ...............
How can you obtain a point source of light?
Is the image obtained in a pinhole camera erect or inverted? Give reason for your answer.
State the effect on the image in a pinhole camera if the luminous object is moved towards the pinhole.
State the effect on the image in a pinhole camera if The length of the pinhole camera is increased (length the screen is moved away from the pinhole).
Tick the correct answer.
The image formed in a pinhole camera is
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Pinhole camera is based on the ................... propagation of light.
The image obtained in the pinhole camera is ______.
Compare the images formed by plane mirror with that by pinhole camera
