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प्रश्न
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उत्तर
Three distinctions between light and sound waves are
(a). Light waves can travel through a vacuum while sound waves cannot.
(b). Light waves are transverse waves while sound waves are longitudinal waves.
(c). The velocity of light in air is 3 x 108 m/s while the speed of light in air is just about 330 m/s.
संबंधित प्रश्न
Write true or false of the following statement.
The image of the right hand in a plane mirror looks like that of a left hand.
Select the correct alternative
The property due to which a light ray striking a surface is returned back into the same medium is called
Explain the following term:
Angle of reflection. Draw diagram/diagrams to show them.
With the help of diagrams, explain the difference between the regular and irregular reflection.
State three ways in which the image formed in a plane mirror differs from the image formed in a pin hole camera.
A boy is standing in front of a plane mirror at a distance of 3 m from it.
(i) What is the distance between the boy and his image?
(ii) If the boy moves 1 m backward, find the distance between the image and the boy.
Complete the ray diagram to show the image observed by the eye after reflection in the following figure.
Complete the path of incident ray in the following case.
Which of the following can make a parallel beam of light when light from a point source is incident on it?
