Fill in the blank.
An object is placed at a distance of more than $40 c m$ from a convex lens of focal length $20 c m$ . The image formed is real, inverted and ______.

enlarged

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diminished

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of same size

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discoloured

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Solution

The correct option is B diminished

Here $F = 20 c m; 2 F = 40 c m$
As can be seen from ray diagram , for objects placed beyond $40 c m$ that is $2 F,$ convex lens form real, inverted and diminished image.

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Similar questions

Complete the following sentences :

(a) An object is placed at a distance of more than 40 cm from a convex lens of focal length 20 cm. The image formed is real, inverted and ..........

(b) An object is placed at a distance 2f from a convex of lens of focal length f. The size of image formed is ............ that of the object.

(c) An object is placed at a distance 5 cm from a convex of focal length 10 cm. The image formed is virtual, upright and ............

An object is placed at a distance 40 cm from a convex lens of focal length 20 cm. The image formed is:

For an object placed at a distance 20 cm in front of a convex lens, the image is at a distance 20 cm behind the lens. The focal length of convex lens is :

(a) 20 cm (b) 10 cm (c) 15 cm (d) 40 cm

Q. Fill in the blank.

An object is placed at a distance

5 c m

from a convex lens of focal length

10 c m

. The image formed is virtual, upright and ________.

An object is placed at a distance of 20 cm from a convex lens of focal length 10 cm. The image is formed on the other side of the lens at a distance:

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Fill in the blank. An object is placed at a distance of more than 40cm from a convex lens of focal length 20cm. The image formed is real, inverted and ______.

The correct option is B diminishedHere F=20cm; 2F=40cmAs can be seen from ray diagram , for objects placed beyond 40cm that is 2F, convex lens form real, inverted and diminished image.

Fill in the blank.
An object is placed at a distance of more than $40 c m$ from a convex lens of focal length $20 c m$ . The image formed is real, inverted and ______.

The correct option is B diminished

Here $F = 20 c m; 2 F = 40 c m$
As can be seen from ray diagram , for objects placed beyond $40 c m$ that is $2 F,$ convex lens form real, inverted and diminished image.