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Q:

Pieces of camphor placed on water move about rapidly. This is because of

A) diffusion B) viscosity
C) surface tension D) capillarity
 
Answer & Explanation Answer: C) surface tension

Explanation:

The Camphor slowly dissolves in the water lowering the latter's surface tension in the immediate neighbourhood. The stronger pull exerted by the uncontaminated portion of water brings about a movement of the surface and the camphor particles are carried along with it. When after sometime the whole surface settles for the reduced tension, the movement of the camphor too short.

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Filed Under: Physics

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Q:

Which substance is produced when alcohol is added with petrol and used as a fuel?

 

A) Only oxygen B) Only carbon-dioxide
C) Only water D) Carbon-dioxide and water both
 
Answer & Explanation Answer: B) Only carbon-dioxide

Explanation:
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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

Who said, " I therefore, want freedom immediately, this very night, before dawn, if it can be had

A) Mahatma Gandhi B) Edwina Mounbatten
C) Jawaharlal Nehru D) Ms. Taslima Nasreen
 
Answer & Explanation Answer: A) Mahatma Gandhi

Explanation:
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Filed Under: Books and Authors

43 14263
Q:

Rearrange the parts of the sentence in correct order.

The white American underclass is in thrall

P-and used heroin needles
Q-to a vicious, selfish culture
R-whose main products are misery

A) PQR B) QRP
C) RPQ D) RQP
 
Answer & Explanation Answer: B) QRP

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Rearrange the parts of the sentence in correct order.

 

The Greek plays

 

P : maintain an extremely

Q : particularly the tragedies,

R : high intellectual level 

 

A) PQR B) RPQ
C) QRP D) QPR
 
Answer & Explanation Answer: D) QPR

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Rearrange the parts of the sentence in correct order:

Thus,

P-a developing economy also needs
Q-to have some notion of external balance
R-at the very least,

A) RPQ B) RQP
C) PQR D) QPR
 
Answer & Explanation Answer: A) RPQ

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

In which Schedule to the Constitution of India is the list of States and Union Territories given?

 

A) First Schedule  B) Second Schedule 
C) Fourth Schedule  D) Sixth Schedule
 
Answer & Explanation Answer: A) First Schedule 

Explanation:
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Filed Under: Indian Politics
Exam Prep: Bank Exams

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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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Filed Under: Physics
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