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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
Fill in the blank.
In a pinhole camera, the image formed is ...............
Select the correct alternative.
The formation of inverted image in a pinhole camera shows that
How can you obtain a point source of light?
State two factors that affect the size of the image formed in a pinhole camera.
Is the image obtained in a pinhole camera erect or inverted? Give reason for your answer.
How is the image affected in a pinhole camera when another fine hole is made near the first pinhole?
Fill in the blank
Pinhole camera is based on the ................... propagation of light.
Write true or false
Image formed in a pinhole camera is erect.
Compare the images formed by plane mirror with that by pinhole camera
How does light travel?
