Myopia is corrected by MCQ with Answer and Explanation

Question Report Error

Myopia is corrected by

A. Cylindrical lens

B. Concave lens

C. Convex lens

D. Bifocal lens

Answer: Option B

Solution (By JKExamLibrary)

Myopia (nearsightedness) requires diverging lens (concave). Hypermetropia needs convex.

This question belongs to: Science Physics

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Practice More Physics Questions

Question #1 Report Error

The force that keeps a body moving in a circular path is called

A. Centripetal force

B. Frictional force

C. Centrifugal force

D. Gravitational force

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Correct Answer: Option A

Explanation:
Centripetal force acts towards centre, necessary for circular motion. Centrifugal is pseudo-force in rotating frame. In uniform circular motion, centripetal force = mv²/r.

This question belongs to: Science Physics

Question #2 Report Error

The gravitational constant G was first measured by

A. Cavendish

B. Kepler

C. Galileo

D. Newton

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Correct Answer: Option A

Explanation:
Henry Cavendish used torsion balance to determine G.

This question belongs to: Science Physics

Question #3 Report Error

The temperature of a body is 122°F. In Celsius it is

A. 90°C

B. 122°C

C. 50°C

D. 30°C

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Correct Answer: Option C

Explanation:
C = (122-32)×5/9 = 90×5/9 = 50°C.

This question belongs to: Science Physics

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