Q:

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

A) 100%	B) 25%
C) 50%	D) 75%

Answer & Explanation Answer: D) 75%

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Which of the following devices converts Chemical energy into Electrical energy?

A) Electric heater	B) Electric fan
C) Hair dryer	D) Electric cell

Answer & Explanation Answer: D) Electric cell

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams , CAT

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Q:

What is the technology used in a compact disc?

A) Electrical	B) Laser
C) Electro magnetic	D) Aeronautical

Answer & Explanation Answer: B) Laser

Explanation:

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Q:

Bridgmanite is

A) A bridge on the river Thames	B) Name of a game
C) Earth's most abundant mineral	D) Name of a music

Answer & Explanation Answer: C) Earth's most abundant mineral

Explanation:

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

Which one of the following is the largest source of electricity in India?

A) Hydropower plants	B) Nuclear power plants
C) Thermal power plants	D) Wind energy

Answer & Explanation Answer: C) Thermal power plants

Explanation:

About 65% of the electricity consumed in India is generated by thermal power plants, 22% by hydroelectric power plants, 3% by nuclear power plants and rest by 10% from other alternate sources like solar, wind, biomass etc.

India is the sixth largest in terms of power generation.

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Filed Under: General Awareness
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Q:

Plants utilise ________ from the atmosphere foe photosynthesis

A) oxygen	B) nitrogen
C) Carbon dioxide	D) hydrogen

Answer & Explanation Answer: C) Carbon dioxide

Explanation:

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Q:

Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia?

A) 18	B) 17
C) 16	D) 15

Answer & Explanation Answer: B) 17

Explanation:

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

The need

A : the highways has

B : been felt over the years

C : to curb drunken driving on

A) BCA	B) CAB
C) BAC	D) ACB

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