An object of height 4 cm is kept in fron...

An object of height 4 cm is kept in front of a concave lens of focal length 20 cm. If the object distance is 30 cm, find the position and the height of the image .

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Solve the following examples/ numerical problems: An object of height 4cm is placed in front of a concave lens of focal length 40 cm. If the object distance is 60 cm, Find the position and height of the image .

The focal length of a concave mirror is 15 cm. if the object distance is 20 cm, find the Position and nature of the image.

An object of height 2 cm is kept at 60 cm in front of a convex mirror of focal length 20 cm. Find the position of the image. State the nature of the image and find the magnification produced by the mirror.

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Answer the following questions : An object is placed in front of a convex lens of focal length 20 cm. If the object distance is changed from 60 cm to 40 cm , what can you say about the size of the image relative to that of the object?

The focal length of a concave mirror is 15 cm. if the object distance is 60 cm, find the image distance.

An object is placed in front of a convex mirror of focal length 60 cm. If image formed is half the size of the object, the position of the image

An object is kept at 60 cm in front of a convex lens of focal length 15 cm . Find the image distance and the nature of the image . Also find the magnification produced by the lens.

An object is placed at a distance of 36 cm from a concave mirror of focal length 12 cm. Find the image distance.

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NAVNEET PUBLICATION-LENSES-EXERCISE

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An object is kept at 60 cm in front of a convex lens of focal length 1...
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An object of height 2 cm is kept at 30 cm from a convex lens . Its rea...
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If for a lens , f= -20 cm, what is the power of the lens ?
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An object of height 4 cm is kept in front of a concave lens of focal l...
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If a convex lens of focal length 20 cm and a concave lens of focal len...
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If a concave lens of focal length 12 cm and a convex lens of focal len...
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