Q:

The theory behind stars twinkling is that

A) The refractive index of the different layers of earth's atmosphere changes continuously, consequently the position of the star's image changes with time	B) The intensity of light emitted by them changes with time
C) The light from the star is scattered by the dust particles and air molecules in the earth's atmosphere	D) The distance of the stars from the earth changes with time

Answer & Explanation Answer: A) The refractive index of the different layers of earth's atmosphere changes continuously, consequently the position of the star's image changes with time

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Filed Under: Physics
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Q:

The rate of change of velocity is called

A) Momentum	B) Speed
C) Acceleration	D) Force

Answer & Explanation Answer: C) Acceleration

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Q:

What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?

A) 6400	B) 1280
C) 640	D) 3200

Answer & Explanation Answer: B) 1280

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Q:

Mirages are formed primarily due to ___ of light.

A) Reflection	B) Diffusion
C) Refraction	D) Scattering

Answer & Explanation Answer: C) Refraction

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Q:

What was the name of the operation launched by India to help Bangladesh in solving with Rohingya crisis?

A) Operation Saksham	B) Operation Manavata
C) Operation Khushhali	D) Operation Insaniyat

Answer & Explanation Answer: D) Operation Insaniyat

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Filed Under: General Awareness
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Q:

Who is the Human Resource development Minister in Prime Minister Modi's cabinet as of February 2018?

A) Suresh Prabhu	B) Prakash Javadekar
C) Jual Oram	D) Maneka Gandhi

Answer & Explanation Answer: B) Prakash Javadekar

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Filed Under: Indian Politics
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Q:

The per capita income in India was '20 in 1867-68, was ascertained for the first time by___________.

A) MG Ranade	B) Sir W Hunter
C) RC Dutt	D) Dadabhai Naoroji

Answer & Explanation Answer: D) Dadabhai Naoroji

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Filed Under: Indian Politics
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Q:

Name the committee appointed in 1986 by Rajiv Gandhi on "Revitalisation of Panchayti Raj Institution for Democracy & Development".

A) Ashok Mehta Committee	B) L M Singhvi Committee
C) G.V.K. Rao Committee	D) Balwant Rai Mehta Committee

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