Advertisements
Advertisements
Question
Fill in the blank
There are ........... and man-made ............ of light.
Advertisements
Solution
There are natural and man-made sources of light.
APPEARS IN
RELATED QUESTIONS
List two artificial sources of light.
What is a transparent medium? Give two examples.
What do we call a substance through which light passes? Give an example of such a substance.
Name a few living things which emit light.
What do you understand by candle power?
Answer the following.
What is meant by luminous intensity? What is one lumen?
_______ is the natural source that stimulates sight and makes things visible.
The mirror used in search light is ______.
State Rayleigh’s law of scattering.
A student observes a tree given in the following figure through a pin hole camera. Which of the diagrams given in the following figure (a) to (d), depicts the image seen by her correctly?

