Questions

Q:

The ratio of the total distance travelled by a body to the total time taken by it is its __________________.

 

A) instantaneous velocity B) linear velocity
C) average speed D) acceleration
 
Answer & Explanation Answer: C) average speed

Explanation:
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Q:

Improve the bracketed part of the sentence.

 

Without any exaggeration, the provision will ensure that legislators (keep a voice) in finalizing the terms and conditions of the agreement.

 

A) have a voice B) head a voice
C) lost a voice D) No improvement
 
Answer & Explanation Answer: A) have a voice

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Q:

A periscope works by the principle of

A) Total internal reflection B) Refraction
C) Diffraction D) Reflection & Refraction
 
Answer & Explanation Answer: A) Total internal reflection

Explanation:

A periscope is an optical instrument that uses a system of prisms, lenses, or mirrors to reflect images through a tube.

 

 per11526634345.jpg image

 

Light from a distant object strikes the top mirror and is then reflected at an angle of 90 degrees down the periscope tube. At the bottom of the periscope, the light strikes another mirror and is then reflected into the viewer’s eye.

 

Hence, A periscope works by the principle of Total internal reflection.

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Q:

Select the antonym of

whirl

A) swirl B) peace
C) flurry D) surge
 
Answer & Explanation Answer: B) peace

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Q:

Rihand Valley Project is located in the state of

A) Uttar Pradesh B) Bihar
C) Orissa D) Madhya Pradesh
 
Answer & Explanation Answer: A) Uttar Pradesh

Explanation:

It is a scheme across the river Rihand near Pipri in Mirzapur district of Uttar Pradesh

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Q:

Correct answer for the given blank out of the four alternatives.


The main failings were of conception and a political willingness to settle _________ easy options. _______________ the expansive declarationsof the need "to maintain effective security of all nuclear materials, _______________ includes nuclear materials used in nuclear weapons”, thesummits narrowed their _______________ to civilian holdings __________________ non­nuclear weapon states.


civilian holdings __________________ non ­nuclear weapon states.

A) into B) for
C) in D) about
 
Answer & Explanation Answer: C) in

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Q:

Improve the bracketed part of the sentence.

 

The sink is leaking, we had better (send for) a plumber.

 

A) be sending for B) been sending for
C) send off D) no improvement
 
Answer & Explanation Answer: D) no improvement

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Q:

Improve the bracketed part of the sentence.

 

I won't be able to leave for office until they (arrive).

 

A) have arrived B) had arrived
C) will have arrived D) no improvement
 
Answer & Explanation Answer: A) have arrived

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