Q:

Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be

A) 2	B) 6
C) 5	D) 3

Answer & Explanation Answer: B) 6

Explanation:

Number of spectral lines from a state n to ground state is

n(n-1)/2 = 6

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Filed Under: Physics
Exam Prep: AIEEE

11 6036

Q:

'Zulfi, MyFriend ' is a book written by

A) Z.A. Bhutto	B) Md. Ali Jinnah
C) Khushwant Singh	D) Piloo Modi

Answer & Explanation Answer: D) Piloo Modi

Explanation:

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Filed Under: Books and Authors

5 6024

Q:

When a steel ball is placed on the surface of mercury, it does not sink because

A) of the surface tension of mercury	B) mercury is a semisolid
C) of the high viscosity of mercury	D) the density of mercury is greater than that of steel

Answer & Explanation Answer: D) the density of mercury is greater than that of steel

Explanation:

A solid sinks in a liquid if its density is greater than that of the liquid. if less, it floats

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Filed Under: Physics

8 6022

Q:

Who has penned a book titled 'I Do What I Do: On Reform, Rhetoric and Resolve' ?

A) Ajay Tyagi	B) Raghuram Rajan
C) Bimal Jalan	D) Urjit Patel

Answer & Explanation Answer: B) Raghuram Rajan

Explanation:

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Filed Under: Books and Authors
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

14 6018

Q:

The absence of law and order

A) Mutiny	B) Rebellion
C) Revolt	D) Anarchy

Answer & Explanation Answer: D) Anarchy

Explanation:

Anarchy is what the absence of law and order i.e, government and freedom of an individual.

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Filed Under: Indian Politics
Exam Prep: Bank Exams

1 6011

Q:

Water kept in an earthen pot is less cool on rainy days than in summer because during the rainy days

A) the pores in the pot are closed	B) rain water stops oozing out from the pores
C) the water that oozes out does not evaporate quickely because of the large percent age of moisture in the air	D) surface of the pot becomes damp

Answer & Explanation Answer: C) the water that oozes out does not evaporate quickely because of the large percent age of moisture in the air

Explanation:

To evaporate the water that oozes out, heat is required. Part of this heat is taken from the water inside which therefore become cool. Therefore (C) is correct. Here evaporation is less, so cooling too is less.

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Filed Under: Physics

11 6010

Q:

" World Press Freedom Day " is observed on ?

A) May 1	B) May 2
C) May 3	D) May 4

Answer & Explanation Answer: C) May 3

Explanation:

World Press Freedom Day is observed on 3 May every year.

This year’s theme is “Critical Minds for Critical Times: Media’s role in advancing peaceful, just and inclusive societies”.

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Filed Under: Important Days and Years
Exam Prep: Bank Exams , CAT

4 6010

Q:

A famous hill station in Uttar pradesh is...........

A) Darjeeling	B) Dalhousie
C) Kulu	D) Nainital

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