Questions

Q:

Find the potential energy gained by a body of mass 60 kg, if it is raised by 12 m. (use g = 10 m/s2)

 

A) 7200 B) 50
C) 3600 D) 25
 
Answer & Explanation Answer: A) 7200

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Q:

Light is a ______________ wave.

 

A) longitudinal B) elastic
C) transverse D) mechanical
 
Answer & Explanation Answer: C) transverse

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Filed Under: Physics
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Q:

According to ohm's law, which of the following is true?

 

A) The current flowing through a wire is directly proportional to the Potential Difference applied across its ends B) The current flowing through a wire is directly proportional to its resistance
C) The current flowing through a wire is indirectly proportional to its length D) The current flowing through the wire is indirectly proportional to the Potential Difference applied across its ends  
 
Answer & Explanation Answer: A) The current flowing through a wire is directly proportional to the Potential Difference applied across its ends

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Q:

Which of the following statements about the usage of the term ‘barbarian’ is/are correct?

1. It is derived from the Greek word ‘barbaros’ which means anon-Greek.

2. Romans used the term for the Germanic tribes, the Gauls and the Huns.

Select the correct answer using the code given below.

A) 1 only B) 2 only
C) Both 1 and 2 D) Neither 1 nor 2
 
Answer & Explanation Answer: C) Both 1 and 2

Explanation:

The ancient Greek word “bárbaros,” from which it derives, meant “babbler,”.In the Greek ear, speakers of a foreign tongue made unintelligible sounds (“bar bar bar”). Similar words exist in other Indo-European languages, including the Sanskrit “barbara,” which means “stammering.”The word “barbarian” originated in ancient Greece and was initially used to describe all non-Greek-speaking peoples, including Persians, Egyptians, Medes and Phoenicians.

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Q:

The computer's processor consists of the following parts

A) CPU and Main Memory B) Hard Disk and Floppy Drive
C) Control Unit and ALU D) Operating System and Application
 
Answer & Explanation Answer: C) Control Unit and ALU

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Q:

Jog Falls is situated on which river?

 

A) Sharavati B) Cauvery
C) Narmada D) Chambal
 
Answer & Explanation Answer: A) Sharavati

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Q:

The value of acceleration due to gravity (g) ____.

 

A) is greater at the poles than at the equator B) is lesser at the poles than at the equator
C) is greater at the North pole than at the South pole D) is greater at the South pole than at the North pole
 
Answer & Explanation Answer: A) is greater at the poles than at the equator

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Q:

Animal without red blood cells

A) Frog B) Earthworm
C) Snake D) Peacock
 
Answer & Explanation Answer: B) Earthworm

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Filed Under: Biology

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