Q:

An atom has 7 electrons in its M - shell and contains 18 neutrons in its nucleus. What is its mass number

A) 25	B) 27
C) 35	D) 43

Answer & Explanation Answer: C) 35

Explanation:

According to Bohr model, Each shell can occupy 2 $n^{2}$ electrons in their orbits where n=1,2,3.. for K,L,M,..

The atom has 2 electrons in k, 8 electrons in L and 7 electrons in M = 2 + 8 + 7 = 17

And given that its nucleus has 18 neutrons

=> its mass number = number of (electrons + neutrons ) = 17 + 18 = 35

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Filed Under: Chemistry

45 9583

Q:

A boy raises a box with a weight of 120N through a height of 2 m. The work done by him is

A) 60 J	B) 120 J
C) 240 J	D) 180 J

Answer & Explanation Answer: C) 240 J

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

1 9580

Q:

Which 'Water Body' separates Andaman and Nicobar Islands ?

A) Eleventh Degree Channel	B) Andaman Sea
C) Bay of Bengal	D) Ten Degree Channel

Answer & Explanation Answer: D) Ten Degree Channel

Explanation:

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Filed Under: Indian Geography
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

17 9576

Q:

A person who loves everybody

A) Humanist	B) Cosmopolitan
C) Fatalist	D) Altruist

Answer & Explanation Answer: D) Altruist

Explanation:

One word substitute for A person who loves everybody is Altruist. Altruism is the belief that the well-being of others is equally, if not more, important than the well-being or survival of the self. Further, altruism involves selfless acts or undertakings that put the welfare of others before one's own.

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Filed Under: English
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO

17 9573

Q:

The bleeding of a wound is stopped by the application of ferric chloride because_____

A) Ferric chloride seals the blood vessels	B) Blood starts flowing in the opposite direction
C) Blood reacts and a solid is formed which seals the blood vessels	D) Blood is coagulated and the blood vessels are sealed

Answer & Explanation Answer: D) Blood is coagulated and the blood vessels are sealed

Explanation:

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Filed Under: Chemistry

36 9571

Q:

Veto power is not possessed by

A) U.K	B) U.S.A
C) Rrussia	D) West Germany

Answer & Explanation Answer: D) West Germany

Explanation:

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Filed Under: World Organisations

22 9566

Q:

Which is the only woman to have won the three Wimbledon titles in a row

A) Mari Pearey	B) Miton
C) Sang Chan	D) Steffi Graff

Answer & Explanation Answer: D) Steffi Graff

Explanation:

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Filed Under: Sports

9 9558

Q:

Tripping is associates with

A) Snooker	B) Volleyball
C) Football	D) Cricket

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