Advertisements
Advertisements
Question
Define the terms: a ray of light and a beam of light.
Advertisements
Solution
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
RELATED QUESTIONS
Write true or false of the following statement.
Image formed in a pinhole camera is real.
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
What is a pinhole camera? Draw a neat and labelled diagram to show the formation of an image of a lighted candle by it.
State two factors that affect the size of the image formed in a pinhole camera.
State the effect on the image in a pinhole camera if the hole is made bigger.
State the effect on the image in a pinhole camera if the luminous object is moved towards the pinhole.
State the effect on the image in a pinhole camera if The length of the pinhole camera is increased (length the screen is moved away from the pinhole).
Tick the correct answer.
The image formed in a pinhole camera is
Write true or false
Image formed in a pinhole camera is erect.
