Questions

Q:

What will be the value of the kinetic energy (Ek) of a moving body with mass m, if its speed is doubled from v to 2v?

A) 1/2 Ek B) 4 Ek
C) There will be no change in Ek D) 2 Ek
 
Answer & Explanation Answer: B) 4 Ek

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Q:

If an object is placed at the center of curvature of a concave mirror, then the image formed will be

A) virtual and enlarged B) virtual and diminished
C) real and of the same size D) real and enlarged
 
Answer & Explanation Answer: C) real and of the same size

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Q:

__________ approves constitutional amendments.

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

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Q:

Consider the following statement :“If you feel you are trapped in a black hole, don’t give up. There is a way out “Who among the following made the above statement?

A) Albert Einstein B) Stephen Hawking
C) C. V. Raman D) Abdus Salam
 
Answer & Explanation Answer: B) Stephen Hawking

Explanation:

"If you feel you are trapped in a black hole, don't give up. There is a way out." —Stephen Hawking.

 

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Q:

Santhara is a religious ritual of ______ community.

A) Sikhs B) Jews
C) Jain D) Buddhists
 
Answer & Explanation Answer: C) Jain

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Q:

Which country was, in October 2017, named the best country to visit in 2018, according to Lonely Planet 'Best in Travel 2018' list?

A) India B) Chile
C) Thailand D) South Korea
 
Answer & Explanation Answer: B) Chile

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Q:

C. P. U. consists of

A) Arithmetic and Logical unit and Register B) Arithmetic and Logical unit, Register and Control unit
C) System unit and Memory D) Hard disk and Control unit
 
Answer & Explanation Answer: B) Arithmetic and Logical unit, Register and Control unit

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Q:

__________ is the number of individuals of the population who left the habitat and gone elsewhere during the time period under consideration.

A) Natality B) Mortality
C) Immigration D) Emigration
 
Answer & Explanation Answer: D) Emigration

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