Questions

Q:

Optical fiber works on the principle of

A) Scattering B) interference
C) total internal reflection D) refraction
 
Answer & Explanation Answer: C) total internal reflection

Explanation:

Optical_fiber_works_on_the_principle_of1556277954.jpg image

 

Optical fiber works on the principle of total internal reflection.

 


The Total Internal Reflection is the phenomenon in which the complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical angle.

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Filed Under: Physics
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Q:

One who collects coins as hobby

 

A) Numismatist   B) Philatelist
C) Statistician D) Ornithologist
 
Answer & Explanation Answer: A) Numismatist  

Explanation:

Numismatist: someone who studies or collects coins, paper money, or medals.

Philatelist: a person who collects stamps.

Ornithologist: a person who studies on birds.

Statistician: an expert in the preparation and analysis of statistics.

 

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

Which country’s new rules on drones, permit them to fly over people and at night in the country?

 

A) South Korea B) Russia
C) United States D) China
 
Answer & Explanation Answer: C) United States

Explanation:
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Filed Under: General Awareness
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Q:

What will be output of following program ?

#include
int main()

{

int a = 10;
void *p = &a;
int *ptr = p;
printf("%u",*ptr);
return 0;

}

A) 10 B) Address
C) 2 D) Compilation error
 
Answer & Explanation Answer: A) 10

Explanation:

Void pointer can hold address of any data type without type casting. Any pointer can hold void pointer without type casting.

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Filed Under: Programming

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Q:

In the binary Language each letter of  the alphabet, each number and each special character is made up of a unique combination of  _________

A) eight bytes B) eight kilobytes
C) eight characters D) eight bits
 
Answer & Explanation Answer: D) eight bits

Explanation:
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Filed Under: Computer
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Q:

Eye Test Logical Challenge

lines1499317691.jpg image

A) 15 B) 14
C) 16 D) 17
 
Answer & Explanation Answer: A) 15

Explanation:
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Filed Under: Logic Puzzles
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Q:

Which of the following statements are CORRECT?

 

I. Ethanol is a good solvent for organic compounds.

II. Boiling and melting points of ethanol are low with respect to water.

III. Ethanol is used tincture iodine

 

A) Only I and II B) Only I and III
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: D) All I, II and III

Explanation:
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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

Select the antonym of

sibilate

A) whiz B) boo
C) exalt D) rasp
 
Answer & Explanation Answer: C) exalt

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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