Questions

Q:

Two circles touch each other internally. The radius of the larger circle is 6 cm and the distance between the centre is 2 cm, then the radius (in cms) of the other circle is

A) 8 B) 2
C) 4 D) 3
 
Answer & Explanation Answer: C) 4

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Q:

Sensitivity of potentiometer can be increased by

A) increasing the length of the potentiometer wire B) increasing the e.m.f of the cell
C) decreasing the length of the potentiometer wire D) none of these
 
Answer & Explanation Answer: A) increasing the length of the potentiometer wire

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Filed Under: Physics
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Q:

If a ball is thrown vertically upwards with a velocity of 40 m/s, then what will be the magnitude of its displacement after 6 s?

A) 80 m B) 40 m
C) 60 m D) 20 m
 
Answer & Explanation Answer: C) 60 m

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Q:

In a Parliamentary form of Government ___________

A) The Legislature is responsible to the Judiciary B) The Executive is responsible to the Legislature.
C) The Legislature is responsible to the Executive D) The Judiciary is responsible to the Legislature
 
Answer & Explanation Answer: B) The Executive is responsible to the Legislature.

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Q:

Who appoints the chairman of all the parliamentary committees of Lok Sabha?

A) President of India B) Prime Minister of India
C) Speaker of Lok Sabha of India D) Home Minister of India
 
Answer & Explanation Answer: C) Speaker of Lok Sabha of India

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Q:

If price of an article decreases from Rs 40 to Rs 30, quantity demanded increases from Q1 units to 7500 units. If point elasticity of demand is -1 find Q1?

A) 9000 units B) 4500 units
C) 10500 units D) 6000 units
 
Answer & Explanation Answer: D) 6000 units

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Q:

Which of the following is present in the centre of a flower?

A) Carpel B) Sepals
C) Petals D) Stamen
 
Answer & Explanation Answer: A) Carpel

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Q:

Which of the following is used to get relief when you have been stung by a honeybee?

A) Common salt B) Baking soda
C) Acetic acid D) Washing soda
 
Answer & Explanation Answer: B) Baking soda

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