Advertisements
Advertisements
प्रश्न
Answer the following.
List four natural sources of light.
Advertisements
उत्तर
Sun, stars, jugnu, firefly.
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
A shadow is formed because light travels in a straight-line path.
What is a transparent medium? Give two examples.
What do you understand by candle power?
Write the names of some cold light-emitting objects.
The sun and ______ are the natural sources of light.
Answer the following.
Write down five man-made sources of light.
Light is a form of ______.
State whether true or false. If false, correct the statement.
If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.
Light is a form of energy and it travels in a straight line.
Observe the picture given in the following figure 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?
