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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.
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संबंधित प्रश्न
State the characteristics of the image formed by a plane mirror.
Select the correct alternative
The image formed by a plane mirror is
The following diagram shows a point object O placed in front of a plane mirror. Take two rays from the point O and show how the image of O is formed and seen by the eye.
State four characteristics of the image formed by a plane mirror.
The diagram below in figure shows an object XY in front of a plane mirror MM1 . Draw on the diagram, path of two rays from each point X and Y of the object to show the formation of its image .
Give two uses of convex mirror.
Identify the following kind of beam of light.
Locate the image termed when the object is placed between two planes as shown in the following figure.
An object that blocks all of the light from passing through is ______.
We can see objects because of ______.
