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प्रश्न
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
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उत्तर
A shadow is formed when the path of light is obstructed by an object
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संबंधित प्रश्न
What do we call an electric bulb producing light?
What is a transparent medium? Give two examples.
What do we call a substance through which we cannot see light? Give an example of such a substance.
Name any four man made sources of light.
Fill in the blank
Light consists of .............. colours.
Sunlight is a blend of______ colors
A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is ______.
When a beam of white light passes through a prism it gets ______.
a) Draw ray diagrams to show how the image is formed using a concave mirror, when the position of object is:
- at C
- between C and F
- between F and P of the mirror.
b) Mention the position and nature of image in each case.
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
