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WBJEE 2019 Revision Test 3
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Question 1
A current of 2 A flows in an electric circuit as shown in figure. The potential difference (VR - VS), in volts (VR and VS are potentials at R and S respectively is.
Question 2
Two point charges (20C each) separated by a very small of order 10-20m. Calculate the resultant electric field at a point P at a distance 3mm and at an angle 600 from the midpoint of the line joining their centers.
Question 3
A ideal monoatomic gas is carried around the cycle ABCDA as shown in the fig. The efficiency of the gas cycle is
Question 4
A particle of mass m is moving in a circular path of constant radius r such that its centripetal acceleration ac is varying with time t as, ac = k2rt2, The power delivered to the particle by the forces acting on it is
Question 5
In Young's double slit experiment, in an interference pattern second minimum is observed exactly in front of one slit. The distance between the two coherent sources is hd and the distance between source and screen is 'D'. The wavelength of light source used
Question 6
Which of these is the incorrect statement?
Question 7
Which of these ores doesn’t contain iron?
Question 8
Which of the following is not true regarding preparation of glucose:
Question 9
The number of optical isomer of monosaccharaides is determined by:-
Question 10
The molecular diameter(pm) of Helium from its Van der Waals constant 
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Apr 10JEE & BITSAT
