#1
July 11th, 2014, 03:11 PM
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Papers for WBJEE Engineering Physics Exam
Give me question papers for West Bengal Joint Entrance Examination engineering phsyics subject in a PDF file format ?
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#2
July 12th, 2014, 11:41 AM
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Re: Papers for WBJEE Engineering Physics Exam
Here I am giving you question papers for West Bengal Joint Entrance Examination engineering phsyics subject in a PDF file attached with it so you can get it easily. A frictionless piston-cylinder based enclosure contains some amount of gas at a pressure of 400 kPa. Then heat is Transferred to the gas at constant pressure in a quasi-sta ic process. The piston moves up slowly through a height of 10cm. If the piston has a cross-section area of 0.3 m2, the work done by the gas in this process is (A) 6 kJ (B) 12 kJ (C) 7.5 kJ (D) 24 kJ Ans : (B) A NOR gate and a NAND gate are connected as shown in the figure. Two different sets of inputs are given to this set up. In the first case, the input to the gates are A=0, B=0, C=0. In the second case, the inputs are A=1, B=0, C=1. The output D in the first case and second case respectively are AB C D (A) 0 and 0 (B) 0 and 1 (C) 1 and 0 (D) 1 and 1 Ans : (D) A bar magnet has a magnetic moment of 200 A.m2. The magnet is suspended in a magnetic field of 0.30 NA–1 m–1. The torque required to rotate the magnet from its equilibrium position through an angle of 30°, will be (A) 30N m (B) 30 3 N m (C) 60 N m (D) 60 3 N m Ans : (A) An ideal mono-atomic gas of given mass is heated at constant pressure. In this process, the fraction of supplied heat energy used for the increase of the internal energy of the gas is (A) 3/8 (B) 3/5 (C) 3/4 (D) 2/5 Ans : (B) |
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