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प्रश्न
Write true or false of the following statement.
The moon is self-luminous.
विकल्प
True
False
उत्तर
False
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संबंधित प्रश्न
Can light travel in vacuum ?
Write true or false of the following statement.
We can see an object through an opaque medium.
What is a transparent medium? Give two examples.
Name any four man made sources of light.
Write true or false
Opaque objects do not allow light to pass through them.
Mirrors change the direction of light that fall on them.
A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is ______.
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.
Look at the figure given in Fig. 11.8
Will there be any difference in the shadow formed on the screen in A and B.
