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प्रश्न
Fill in the blank
There are ........... and man-made ............ of light.
उत्तर
There are natural and man-made sources of light.
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संबंधित प्रश्न
Write true or false of the following statement.
The moon is self-luminous.
Fill in the blank.
Light travels in a ................. path.
Tick the correct answer.
Light causes
Fill in the blank
The Sun and .............. are the natural sources of light.
Fill in the blank
The brightness of light is measured in ...................
Write true or false
The stars have no light.
Answer the following.
Write down five man-made sources of light.
Sunlight is a blend of______ colors
In going from a rarer to denser medium, the ray of light bends ______.
A student observes a tree given in Fig. 11.2 through a pin hole camera. Which of the diagrams given in Fig. 11.3 (a) to (d), depicts the image seen by her correctly?
