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प्रश्न
What do you mean by the term dispersion?
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उत्तर
The splitting or breaking up of the white light into its constituent colours as it passes through a refracting medium such as prism is known as dispersion
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संबंधित प्रश्न
An image which can be obtained on a screen is called a ______ image.
A virtual image larger than the object can be produced by a ______.
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
The magnification for a mirror is -3. How are u and v related?
The erect image formed by a concave mirror is of size double the size of object. How are u and v related?
Define the following term in relation to concave mirror.
Center of curvature
