Questions

Q:

Why metals conduct electricity?

A) Because of low melting point B) Because of high tensile strength
C) Because of free electrons D) Because of high atomic density
 
Answer & Explanation Answer: C) Because of free electrons

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Q:

The color with the longest wavelength is

A) Red B) Violet
C) Indigo D) Orange
 
Answer & Explanation Answer: A) Red

Explanation:

Each color has a different wavelength.

 

Red has the longest wavelength and violet has the shortest wavelength.

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Q:

When a ray of light travels from a denser medium to a rarer medium, it bends

A) towards the normal and speeds up B) towards the normal and slows down
C) away from the normal and speeds up D) away from the normal and slows down
 
Answer & Explanation Answer: C) away from the normal and speeds up

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Q:

What is the SI unit of electric current?

A) Newton B) Joule
C) Ampere D) Watt
 
Answer & Explanation Answer: C) Ampere

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Q:

Which of the following is not a vector quantity?

A) Work B) Force
C) Displacement D) Velocity
 
Answer & Explanation Answer: A) Work

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Q:

Which one of the following films was not directed by Satyajit Ray?

A) Shatranj ke khiladi B) Charulata
C) Jalsaghar D) Gumnam
 
Answer & Explanation Answer: D) Gumnam

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Q:

G­-20 is the Group of Twenty largest economies represented by their

A) Prime Ministers only B) Finance Ministers only
C) Finance Ministers and Central Bank Governors D) Heads of States
 
Answer & Explanation Answer: C) Finance Ministers and Central Bank Governors

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Q:

Which Indian-American is the chairman of the prestigious Federal Communications Commission (FCC) of the United States as of March 2018?

A) Seema Verma B) Neil Chatterjee
C) Ajit Pai D) Neomi Rao
 
Answer & Explanation Answer: C) Ajit Pai

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