Questions

Q:

Who was the first Speaker of Lok Sabha?

A) G. V. Mavalankar B) Sarvepalli Radhakrishnan
C) M. Ananthasayanam Ayyangar D) M. Ananthasayanam Ayyangar
 
Answer & Explanation Answer: A) G. V. Mavalankar

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Q:

The work done by centripetal force is ______.

A) positive B) zero
C) negative D) unity
 
Answer & Explanation Answer: B) zero

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Filed Under: Physics
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Q:

Due to an acceleration of 4 m/s2 the velocity of a body increases from 10 m/s to 30 m/s in a certain period. Find the displacement (in m) of the body in that period.

A) 200 B) 250
C) 100 D) 125
 
Answer & Explanation Answer: C) 100

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Q:

In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)

 

 

A) 0.112 mA B) 112 mA
C) 11.2 mA D) 1.12 mA
 
Answer & Explanation Answer: D) 1.12 mA

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Q:

Polycot is a mixture of which among the following?

A) Polyester and cotton B) Polyester and wool
C) Rayon and cotton D) Rayon and wool
 
Answer & Explanation Answer: A) Polyester and cotton

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Filed Under: General Science
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Q:

A change in which no new substances are formed is called _____________.

A) Physical Change B) Chemical Change
C) Rusting D) Galvanisation
 
Answer & Explanation Answer: A) Physical Change

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Filed Under: Chemistry
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Q:

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?

A) BBr3 B) NH3
C) CH2N2 D) CCl2F2
 
Answer & Explanation Answer: D) CCl2F2

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Q:

The largest estuarine mangrove forest in the world is at?

A) Sundarbans National Park B) Nanda Devi and Valley of Flowers National Parks
C) Keoladeo National Park D) Manas Wildlife Sanctuary
 
Answer & Explanation Answer: A) Sundarbans National Park

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Filed Under: Indian Geography
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