Q:

Device used for the detection and measurement of all types of radiation (alpha, beta and gamma)

A) Geiger counter	B) Polarimeter
C) Calorimeter	D) Radiometer

Answer & Explanation Answer: A) Geiger counter

Explanation:

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Q:

Sextant is an instrument used in which of the following ?

A) Gynaecology	B) Navigation
C) Birth control	D) Medical treatment

Answer & Explanation Answer: B) Navigation

Explanation:

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Q:

Who first determined the value of G (gravitational constant)?

A) Lord Cavendish	B) R.R Heyl
C) Boyle	D) Poynting

Answer & Explanation Answer: A) Lord Cavendish

Explanation:

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Q:

What will be the force of attraction between two bodies weighing 20 kg and 50 kg, respectively, with a distance of 2 metre between them?

A) 16.675 x 10-11 N	B) 166.75 x 10-10 N
C) 6.67 x 10-11 N	D) 16.67 x 5-10 N

Answer & Explanation Answer: B) 166.75 x 10-10 N

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Q:

What is the noise level of normal conversation?

A) About 60 dB	B) About 70 dB
C) About 80 dB	D) About 90 dB

Answer & Explanation Answer: A) About 60 dB

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Q:

India had signed an Open Skies agreement with which country which will allow designated airlines of both signatory countries to operate freely?

A) Singapore	B) Russia
C) France	D) Japan

Answer & Explanation Answer: D) Japan

Explanation:

India finalised an Open Skies Agreement with Japan, allowing designated airlines of both signatory countries to operate freely. This is likely to be formalised during Japanese Prime Minister Shino Abe’s visit to India later this month. The agreement may allow airlines from Japan to fly directly to Chennai and Bengaluru. All Nippon Airways, Japan Airlines and Air India are the only carriers that connect the two countries, now.

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Q:

The longest railway platform in India

A) Amritsar	B) Gorakhpur
C) Kathgodam	D) Kanpur

Answer & Explanation Answer: B) Gorakhpur

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Q:

Where is the commercial capital of Sri Lanka?

A) Trincomalee	B) Colombo
C) Galle	D) Kandy

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