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प्रश्न
Fill in the blank
There are ........... and man-made ............ of light.
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उत्तर
There are natural and man-made sources of light.
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संबंधित प्रश्न
Fill in the blank.
The sun is a ............... source of light.
Write the names of some transparent objects.
Tick the correct answer.
Substance which don’t allow light to pass through them,
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
A ______ is an artificial source of light.
_______ is the natural source that stimulates sight and makes things visible.
Light travels only in a______ It is because of this property that______ are formed.
Write about two everyday situations that tell you that light travels in a straight line.
The mirror used in search light is ______.
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.
