RRB 2013 Allahabad (2)

Instructions

For the following questions answer them individually

Question 21

When a beam of light (wavelength=450nm) originally traveling in air enters a piece of glass (index of refraction 1.50) what will happen to its frequency ?

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Question 22

Evolutionary principles have been used for classification of animals and plants According to this humans come under which class ?

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Question 23

Who discovered the fact that _____”An electric current produces a circular magnetic field as it flows through a wire” ?

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Question 24

If light enters an equilateral glass prism (n=1.50) with an angle of incidence of 45 degree what is the angle of refraction as the beam emerges from the prism ?Note that an equilateral triangle has three 60° angles.

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Question 25

When a current carrying conductor is placed above a magnetic needle what is the maximum deflection that can be produced ?

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Question 26

Who has been appointed as the New Chairman of Rajasthan Public Service Commission (RPSC) on 1st September 2012?

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Question 27

What is the population growth rate according to 2011 census in Rajasthan ?

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Question 28

”Kesariya Balam” Song is sung in which singing style ?

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Question 29

Rajasthan day is celebrated on

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Question 30

What percentage of area is the area of Rajasthan in India ?

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