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प्रश्न
Draw a ray diagram to show the formation of the image, when the object is placed between optical centre and principal focus of a convex lens.
State the signs and values of magnifications in the above mentioned case.
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उत्तर
When an object is placed between the optical center and principal focus of a convex lens:
Since the image formed is virtual and erect, the sign of magnification will be positive. Moreover, the image formed is magnified; therefore, the absolute value of magnification will be greater than one.
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संबंधित प्रश्न
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
Name the mirror which always produces an erect and virtual image. How is the size of image related to the size of object?
The erect image formed by a concave mirror is of size double the size of object. How are u and v related?
A concave mirror forms a real image of an object placed in front of it at a distance 30 cm, of size three times the size of object. Find
- the focal length of mirror
- position of image.
Define the following term in relation to concave mirror.
Pole
