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Q:

Atomic bomb is based on which of the following principle?

A) Nuclear fusion B) Nuclear fission
C) Natural radioactivity D) All options are correct
 
Answer & Explanation Answer: B) Nuclear fission

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Filed Under: Chemistry
Exam Prep: Bank Exams , GATE
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Q:

4 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

A) 48 km/hr B) 57.6 km/hr
C) 72 km/hr D) 38.4 km/hr
 
Answer & Explanation Answer: A) 48 km/hr

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Filed Under: Problems on Trains
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

All of the following are functions of the skin except

A) insulation B) site of vitamin A synthesis
C) excretion body wastes D) protection from mechanical damage
 
Answer & Explanation Answer: B) site of vitamin A synthesis

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Filed Under: General Science
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Q:

An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's

A) First law B) Second law
C) Third law D) Fourth law
 
Answer & Explanation Answer: A) First law

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

The International Day of Older Persons is observed on

A) 1st October B) 2nd October
C) 3rd October D) 4th October
 
Answer & Explanation Answer: A) 1st October

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Filed Under: Important Days and Years
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Q:

Which one of the following elements will be an isobar of calcium if the atomic number of calcium is 20 and its mass number is 40?

 

A) Element with 18 neutrons and 20 protons  B) Element with 19 neutrons and 18 protons 
C) Element with 19 neutrons and 20 protons  D) Element with 18 neutrons and 22 neutrons
 
Answer & Explanation Answer: D) Element with 18 neutrons and 22 neutrons

Explanation:
Isobar: one of two or more atoms having equal atomic weights but different atomic numbers.
 
                    Mass number     Electrons      Neutrons
    Calcium            40                    20                 20
 
     Argon              40                    18                 22
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Filed Under: Chemistry
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Q:

________ is used for making vinegar.

A) Tartaric acid B) Malic acid
C) Oxalic acid D) Acetic acid
 
Answer & Explanation Answer: D) Acetic acid

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.

A) Acommodate B) Accommodate
C) Acomodate D) Accomodate
 
Answer & Explanation Answer: B) Accommodate

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Filed Under: English
Exam Prep: Bank Exams

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