Questions

Q:

Persistence of vision is the principle behind

A) Telescope B) Periscope
C) Cinema D) Microscope
 
Answer & Explanation Answer: C) Cinema

Explanation:

Optical illusion is what that refers to persistence of vision with a principle that multiple images blend into a single image in human mind and what is showed in cinema.

 

Hence, Persistence of vision is the principle behind cinema.

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Q:

 In a 1:N relationship, the foreign key is placed in:

A) the parent table. B) the child table.
C) either table without specifying parent and child tables. D) either the parent table or the child table.
 
Answer & Explanation Answer: B) the child table.

Explanation:
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Filed Under: Database

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Q:

In the below puzzle, a proverb is written with exactly one letter of each word replaced with another. Can you figure out what the original proverb is?

So is a sap, nor is a no.

Answer

Do as I say, not as I do.

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Q:

Which company has introduced 91-Octane petrol EXTRA PREMIUM in India?

A) BPCL B) Hindustan Petroleum
C) Indian Oil D) IBP
 
Answer & Explanation Answer: C) Indian Oil

Explanation:
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Q:

Hard disk is coated in both side with

A) Carbon layer B) Magnetic metallic oxide
C) Optical metallic oxide D) All of the above
 
Answer & Explanation Answer: B) Magnetic metallic oxide

Explanation:

Hard_disk_is_coated_in_both_side_with1551862660.jpg image

Hard disk is coated in both side with Magnetic metallic oxide.

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Q:

In the case of bodies falling under gravity which of the following remains constant at a given place?

A) Kinetic energy B) Potential energy
C) acceleration D) all the above
 
Answer & Explanation Answer: C) acceleration

Explanation:

This acceleeration denoted by letter g varies from place to place. Unless stated otherwise, it can be taken 9.8 m/s2.

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Filed Under: Physics
Exam Prep: AIEEE

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Q:

A Fuse is used in mains electric supply as a safety devices. Which one of the following statements about the fuse is correct?

A) It is connected in parallel with the main switch B) It is made mainly from silver alloys
C) It must have a low melting point D) It must have a very high resistance
 
Answer & Explanation Answer: C) It must have a low melting point

Explanation:
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Q:

Artificial radioactivity elements are present in

A) s - block B) p - block
C) d - block D) f - block
 
Answer & Explanation Answer: D) f - block

Explanation:
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Filed Under: Chemistry

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