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

Explanation:

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Q:

In which year did Ole Romer measure the speed of light for the first time in the history?

A) 1776	B) 1676
C) 1876	D) 1867

Answer & Explanation Answer: B) 1676

Explanation:

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Q:

Which one of the following statements is not correct?

A) India joined MTCR in 2016.	B) India submitted a formal application for membership of the NSG in 2016.
C) India proposed the Comprehensive Convention on International Terrorism in 1996.	D) The Common wealth Heads of Government Meeting (CHOGM) was held in 2016 at Malta.

Answer & Explanation Answer: D) The Common wealth Heads of Government Meeting (CHOGM) was held in 2016 at Malta.

Explanation:

The Commonwealth Heads of Government Meeting is held every 2 years. It is the association’s ultimate policy and decision-making forum. The November 2015 Meeting, to be held in Malta, had the theme of ‘Commonwealth –Adding Global Value’.

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Q:

A solar eclipse occurs when

A) moon comes in the middle of sun and earth	B) sun comes in the middle of moon and earth
C) earth comes in the middle of moon and sun	D) All of the above

Answer & Explanation Answer: A) moon comes in the middle of sun and earth

Explanation:

A solar eclipse happens when the moon gets in the way of the sun's light and casts its shadow on Earth. Solar eclipses happen when the New Moon comes between the Sun and Earth and blocks out the Sun's rays.

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Q:

Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.

A) 0.01	B) 2500
C) 0.02	D) 1250

Answer & Explanation Answer: A) 0.01

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Q:

What of the following refers to hypotheses which are confirmed by varied tests?

A) Assumption	B) Theory
C) Answer	D) Opinion

Answer & Explanation Answer: B) Theory

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Q:

How many medals were won by India in 2016 Summer Olympics?

A) One silver and one Bronze	B) Two Gold
C) Two Bronze	D) None

Answer & Explanation Answer: A) One silver and one Bronze

Explanation:

India competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The Indian roster featured three Olympic medallists from London, including badminton star Saina Nehwal, freestyle wrestler and four-time Olympian Yogeshwar Dutt, and rifle shooter Gagan Narang. Medals Ranked 67th: Gold 0, Silver 1, Bronze 1, Total 2 Competitors: 117 in 15 sports

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Q:

How many players, on each side, are required for the game of volleyball?

A) 6	B) 8
C) 5	D) 7

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