Advertisements
Advertisements
प्रश्न
Define the terms: a ray of light and a beam of light.
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
Fill in the blank.
In a pinhole camera, the image formed is ...............
How can you obtain a point source of light?
What is a pinhole camera? Draw a neat and labelled diagram to show the formation of an image of a lighted candle by it.
Explain the formation of the image of a luminous object in a pinhole camera with the aid of a neat diagram.
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 luminous object is moved towards the pinhole.
Tick the correct answer.
The image formed in a pinhole camera is
______ camera is a simple device that helps us to understand the rectilinear propagation of light.
How does light travel?
