RRB 2013 Allahabad (2)

Instructions

For the following questions answer them individually

RRB 2013 Allahabad (2) - 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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RRB 2013 Allahabad (2) - 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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RRB 2013 Allahabad (2) - 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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RRB 2013 Allahabad (2) - 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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RRB 2013 Allahabad (2) - 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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RRB 2013 Allahabad (2) - Question 26


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

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RRB 2013 Allahabad (2) - Question 27


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

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RRB 2013 Allahabad (2) - Question 28


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

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RRB 2013 Allahabad (2) - Question 29


Rajasthan day is celebrated on

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RRB 2013 Allahabad (2) - Question 30


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

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