Q:

If the power of a corrective lens is +2.0 D, then it is a

A) convex lens	B) concave lens
C) convex mirror	D) concave mirror

Answer & Explanation Answer: A) convex lens

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Q:

If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is half of that of earth and radius is same as that of earth is _________________.

A) g/2	B) 4g
C) 2g	D) g/4

Answer & Explanation Answer: A) g/2

Explanation:

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Q:

A level of atmosphere which is composed partly of electrons and positive ions is called

A) Troposphere	B) Ionosphere
C) Stratosphere	D) Mesosphere

Answer & Explanation Answer: B) Ionosphere

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Q:

Science dealing with study of soil is called

A) Pedology	B) Pedagogy
C) Ecology	D) Pomology

Answer & Explanation Answer: A) Pedology

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Q:

Who is the author of book ‘Keeping the Faith: Memoirs of a Parliamentarian’?

A) David Omand	B) Raja Shehadeh
C) Raghav Bahl	D) Somnath Chatterjee

Answer & Explanation Answer: D) Somnath Chatterjee

Explanation:

Somnath Chatterjee is the author of book ‘Keeping the Faith: Memoirs of a Parliamentarian’.

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Q:

Phil Mickelson plays which International Sport?

A) Golf	B) Baseball
C) Basketball	D) Boxing

Answer & Explanation Answer: A) Golf

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Q:

Who discovered Electron?

A) Enrico Fermi	B) Robert Noyce
C) J.J.Thomson	D) James Dyson

Answer & Explanation Answer: C) J.J.Thomson

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Q:

Who invented the waterproof raincoat?

A) Robert Hooke	B) Cai Lun
C) Charles Macintosh	D) William Harvey

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