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Compound Microscope

A simple magn...

Question

A simple magnifying glass consists of:

A

Convex lens of small focal length

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B

Plano-concave lens

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C

Convex lens of large focal length

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D

Concave lens

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Solution

The correct option is A
Convex lens of small focal length

A simple magnifying glass consists of convex lens of small focal length.

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Similar questions

Q. Match the items given in A, B, C and D against their corresponding description given in 1, 2, 3, 4 and 5.
A. Astronomical telescope
B. Galilean Telescope
C. Simple Microscope
D. Compound Microscope
1. Contains one convex lens
2. Contains one concave lens
3. Contains a convex lens of large focal length in the objective and a convex lens of small focal length in the eye-piece
4. Contains a convex lens of small focal length in the objective and a convex lens of large focal length in the eye-piece
5. Contains a convex lens of large focal length in the objective and a concave lens of small focal length in the eye-piece.

Which of the following lenses would you prefer to use while reading small letters found in a dictionary?

(a) A convex lens of focal length 50 cm

(b) A concave lens of focal length 50 cm

(c) A convex lens of focal length 5 cm

(d) A concave lens of focal length 5 cm

Q. Question 6
Which of the following lenses would you prefer to use while reading small letters found in a dictionary?

(a) A convex lens of focal length 50 cm
(b) A concave lens of focal length 50 cm
(c) A convex lens of focal length 5 cm
(d) A concave lens of focal length 5 cm

Q. Convex lens has a focal length and concave lens has a focal length.

Q. Of a convex lens, a plano-convex lens and a concave lens of equal focal lengths, an image with minimum spherical aberration can be produced by :

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Compound Microscope

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