Questions

Q:

The mass defect is the result of what action occurring?

A) mass being converted to energy when protons and neutrons bind together in a nucleus B) protons and electrons being attracted to each other
C) energy being converted into moles of atoms when neutrons break apart protons D) mass being converted to energy when protons and neutrons break apart in a nucleus
 
Answer & Explanation Answer: A) mass being converted to energy when protons and neutrons bind together in a nucleus

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Filed Under: Physics
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Q:

Which one of the following is a search engine?

A) Bing B) Reddit
C) Pinterest D) Twitter
 
Answer & Explanation Answer: A) Bing

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Filed Under: Computer
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Q:

Light Year is related to

A) Distance B) Acceleration
C) Velocity D) Intensity of Light
 
Answer & Explanation Answer: A) Distance

Explanation:

Light Year is related to Distance. It is the unit of Distance.

It is about 9.5 Trillion Kms or 5.9 Trillion miles.

 

    • It is the distance that light travels in vaccum in one julian year i.e, 365.25 days.



 

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Q:

What is the heat generated (in J) in a heating element of resistance 900 Ω when a current of 0.3 A passes through it for 10 seconds?

A) 2700 B) 810
C) 405 D) 1350
 
Answer & Explanation Answer: B) 810

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Filed Under: Physics
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Q:

How many Nucleotides make up a Codon?

A) 3 B) 4
C) 5 D) 6
 
Answer & Explanation Answer: A) 3

Explanation:

3 Nucleotides make up a Codon. 

The nucleotide triplet that encodes an amino acid is called a codon.

Each group of three nucleotides encodes one amino acid.

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Filed Under: Biology
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Q:

Insert command falls in which sub-language of SQL ?

A) DCL B) DQL
C) DML D) DDL
 
Answer & Explanation Answer: C) DML

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Filed Under: Oracle Certification

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Q:

When did B.R. Ambedkar was received Bharat Ratna?

A) 1890 B) 1980
C) 1990 D) 1989
 
Answer & Explanation Answer: C) 1990

Explanation:

Dr. B.R. Ambedkar received Bharat Ratna in the year 1990.

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Filed Under: Indian History
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Q:

There are five boxes in a cargo hold. The weight of the first box is 200 kg and the weight of the second box is 20% higher than the weight of the third box, whose weight is 25% higher than the first box’s weight. The fourth box at 350 kg is 30% lighter than the fifth box. Find the difference in the average weight of the four heaviest boxes and the four lightest boxes.

A) 51.5 kg B) 75 kg
C) 37.5 kg D) 112.5 kg
 
Answer & Explanation Answer: B) 75 kg

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