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प्रश्न
Answer the following.
What is light?
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उत्तर
Light is a form of Energy i.e. The external physical cause that affects our eye to produce the sensation of vision.
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संबंधित प्रश्न
Write true or false of the following statement.
Light travels in a straight-line path.
Fill in the blank.
Moon is a .................. body.
What do we call a substance through which light passes? Give an example of such a substance.
Tick the correct answer.
Light is a font of
Fill in the blank
There are ........... and man-made ............ of light.
Answer the following.
Name some sources of light that are not hot.
________ objects allow all the light to pass through them.
When a beam of white light passes through a prism it gets ______.
If VB, VG, VR be the velocity of blue, green, and red light respectively in a glass prism, then which of the following statement gives the correct relation?
Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively
