Questions

Q:

Which of the following is a characteristic of an exothermic reaction?

A) Release of heat B) Absorption of heat
C) Doesn't involve any change in temperature D) None of the option is correct
 
Answer & Explanation Answer: A) Release of heat

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Q:

Which of the following physical quantity measures the rate of work done?

A) Power B) Momentum
C) Force D) Energy
 
Answer & Explanation Answer: A) Power

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Q:

A body of mass 3 kg accelerates from 10 m/s to 20 m/s in 5 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).

 

A) 6 B) 18
C) 12 D) 36
 
Answer & Explanation Answer: A) 6

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Q:

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

A) -30 cm B) -15 cm
C) +30 cm D) +15 cm
 
Answer & Explanation Answer: B) -15 cm

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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:

The number of parliamentary seats (Lok Sabha) of Haryana is

A) 10 B) 26
C) 28 D) 48
 
Answer & Explanation Answer: A) 10

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Q:

Black soil is also known by which of the following name ?

A) Khadar Soil B) Bangar Soil
C) Alluivial Soil D) Regur soil
 
Answer & Explanation Answer: D) Regur soil

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Q:

Which of the following is the largest mammal?

A) Whale B) Rhinoceros
C) Elephant D) Human
 
Answer & Explanation Answer: A) Whale

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