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प्रश्न
Tick the correct answer.
A tube light is a
पर्याय
Hot source
Cold source
Incandescent source
None of these
उत्तर
Hot source
APPEARS IN
संबंधित प्रश्न
Match the following columns
| Column A | Column B |
| a. Wooden block | i. new moon's day |
| b. Sun | ii. rectilinear propagation of light |
| c. Umbra | iii. opaque body |
| d. Eclipse | iv. luminous body |
| e. Solar eclipse | v. complete dark park |
Name any four man made sources of light.
Tick the correct answer.
Light causes
A ______ is an artificial source of light.
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.
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
Amount of light entering into the eye is controlled by ______.
Light is a form of energy and it travels in a straight line.
Observe the picture given in Fig. 11.1 carefully.
A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?
