Questions

Q:

The centre of the reflecting surface of a spherical mirror is a point called the ___.

A) pole B) focus
C) radius D) aperature
 
Answer & Explanation Answer: A) pole

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Q:

A high jumper runs for a while before taking a high jump so that the inertia of __ helps him take the long jump.

A) rest B) shape
C) motion D) direction
 
Answer & Explanation Answer: C) motion

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Q:

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

 

A) 513 m B) 644 m
C) 342 m D) 171 m
 
Answer & Explanation Answer: A) 513 m

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Q:

Calculate the work done by the force of gravity when a satellite moves in an orbit of radius 40,000 km around the earth.

A) 8,000 J B) 4,00,000 J
C) 0 J D) 4,000 J
 
Answer & Explanation Answer: C) 0 J

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Q:

The Karnataka government launched the Bengaluru city logo- making Bengaluru the first Indian city to get its own logo - on 24 December 2017 for branding the city as a

A) tribal destination B) art and craft destination
C) tourism destination D) spiritual destination
 
Answer & Explanation Answer: C) tourism destination

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Q:

As of February 2018, who is the Chief Minister of Telangana, who is also the Chief Minister of Telangana?

A) K Chandrasekhar Rao B) Kadiyam Srihari
C) T Rajaiah D) Chandrababu Naidu
 
Answer & Explanation Answer: A) K Chandrasekhar Rao

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Q:

The per capita income in India was '20 in 1867-68, was ascertained for the first time by___________.

A) MG Ranade B) Sir W Hunter
C) RC Dutt D) Dadabhai Naoroji
 
Answer & Explanation Answer: D) Dadabhai Naoroji

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Q:

The astronomer who discovered planet Pluto was ___.

A) Sylvain Arend B) Joseph Asbrook
C) Edwin Hubble D) Clyde Tombaugh
 
Answer & Explanation Answer: D) Clyde Tombaugh

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