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Q:

In which of the following situations is mechanical energy most likely to be conserved?

A) A feather falls from the sky. B) A football flies through the air.
C) A hockey player digs his skates into the ice. D) A skateboard rolls into the grass.
 
Answer & Explanation Answer: B) A football flies through the air.

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Q:

Who among the following has been appointed as member in ‘Financial Stability Institute Advisory Board’ of ‘Bank of International Settlement (BIS)’?

A) Arvind Subramanian B) Amartya Sen
C) Raghuram Rajan D) Urjit Patel
 
Answer & Explanation Answer: D) Urjit Patel

Explanation:

The Reserve Bank of India (RBI) Governor Urjit Patel has been appointed as member in ‘Financial Stability Institute Advisory Board’ of ‘Bank ofInternational Settlement (BIS)’. The Advisory Board will comprise a small but diverse group of central bank Governors, heads of financial sector supervision and chairs of standard-setting bodies and regional supervisory groups.Note:The ‘Financial Stability Institute Advisory Board’ of BIS assists financial sector authorities worldwide in strengthening their financial systems.

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Q:

Which country launched the world's largest amphibious aircraft on December 24, 2017?

A) USA B) China
C) Japan D) Germany
 
Answer & Explanation Answer: B) China

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Q:

Who of the following was the last Governor General of Bengal?

A) William Bentinck B) Warren Hastings
C) Lord Canning D) Lord Wellesley
 
Answer & Explanation Answer: A) William Bentinck

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Q:

__________ amends the Constitution.

A) Ministry of Defence B) Prime Minister's Office
C) Parliament D) Securities and Exchange Board of India
 
Answer & Explanation Answer: C) Parliament

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Q:

In the gamma decay of a nucleus

A) the mass number of the nucleus changes whereas its atomic number does not change B) the mass number of the nucleus does not change whereas its atomic number changes
C) both the mass number and the atomic number of the nucleus change D) neither the mass number nor the atomic number of the nucleus changes
 
Answer & Explanation Answer: D) neither the mass number nor the atomic number of the nucleus changes

Explanation:

The emission of gamma rays does not alter the number of protons or neutrons in the nucleus but instead has the effect of moving the nucleus from a higher to a lower energy state (unstable to stable)

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Q:

Which one of the following is not a property of electromagnetic waves?

A) Electromagnetic waves do not show interference and diffraction. B) Oscillating electric field and magnetic field are perpendicular to each other.
C) Electromagnetic waves are transverse waves D) Electromagnetic waves do not require a medium to propagate.
 
Answer & Explanation Answer: A) Electromagnetic waves do not show interference and diffraction.

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Q:

'Gallon' is commonly used

A) To refer to speed B) To refer to a container
C) As a measure of volume D) To express containers in terms of barrel
 
Answer & Explanation Answer: C) As a measure of volume

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