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प्रश्न
उत्तर
Four characteristics of light are:-
(a). Light waves can travel through a vacuum
(b). Light waves are transverse waves
(c). The wavelength of light waves is short so that their length is measured in cents-microns.
(d). The velocity of light in a vacuum is 3 x 108 m/s.
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संबंधित प्रश्न
State the characteristics of the image formed by a plane mirror.
Fill in the blank
A plane mirror _________ reflects 100 percent light falling on it.
You are standing at a distance of 2 meters from a plane mirror.
What is the distance of your image from the mirror?
How will you explain the statement 'we cannot see the objects in a dark room'?
Explain the following term:
Angle of reflection.
Draw diagram/diagrams to show them.
An object OA is placed on the principal axis of a concave mirror as shown in the figure. Copy and complete the diagram to show the formation of image.
State whether the following statement is true or false. If false, correct it.
The angle of incidence is the angle made by the incident ray with the plane mirror.
