Advertisements
Advertisements
प्रश्न
Define the terms: a ray of light and a beam of light.
Advertisements
उत्तर
The light traveling in any one direction in a straight line is called a ray of light.

A group of light rays given out from a source is called a beam of light

APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
The image in a pinhole camera gets blurred if the hole is made bigger.
Select the correct alternative.
The formation of inverted image in a pinhole camera shows that
How can you obtain a point source of light?
State two factors that affect the size of the image formed in a pinhole camera.
Is the image obtained in a pinhole camera erect or inverted? Give reason for your answer.
How is the image affected in a pinhole camera when another fine hole is made near the first pinhole?
State the effect on the image in a pinhole camera if the hole is made bigger.
Fill in the blank
Pinhole camera is based on the ................... propagation of light.
The image obtained in the pinhole camera is ______.
______ camera is a simple device that helps us to understand the rectilinear propagation of light.
