Advertisements
Advertisements
Question
Answer the following.
Write down five man-made sources of light.
Advertisements
Solution
Electric bulb, torch, an oil lamp, fluorescent tube, candle.
APPEARS IN
RELATED QUESTIONS
Fill in the blank.
Light travels in a ................. path.
Why do objects in a room become visible even if sunlight does not enter it?
Does the flame of a gas stove emit light?
Write true or false
The stars have no light.
Answer the following.
What is meant by luminous intensity? What is one lumen?
Answer the following.
Name some sources of light that are not hot.
Choose the translucent substance from the following
Velocity of light is greater in denser medium than in rarer medium
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?
Look at the figure given in the following figure.
Will there be any difference in the shadow formed on the screen in A and B.
