CSIT Entrance Preparation MCQ Questions - Hamro CSIT

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The efficiency of heat engine will be 100% if the temperature of sink is

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A cylinder of 0.6m long and 6mm radius is rated at 1.5kw. The temperature of filament if stefan’s constant is 6*10-8 W m-2 k-4

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Light of wavelength 550 nm falls normally on a slit of width 22*10-7, the angular position of second minima from central maxima will be

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Two lens of power 5∞ and -7.5∞ are placed in contact. The equivalent focal length of combination will be

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A sound wave has frequency 500 Hz and velocity 360 m/s. What is the distance between 2 particles having phase difference 60°

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In bringing an electron towards another electron, electrostatic potential energy of the system

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n equal capacitors are first connected in series and then in parallel. The ratio of maximum to minimum capacitance is:

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A wire of resistance R Ω is bent to form a circle. The effective resistance between the two points on any diameter of circle is:

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The resistance of an ideal ammeter is:

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A 10 ev electron is circulating in a plane at right angles to a uniform field of magnetic induction 10-4 T, the orbital radius of electron is:

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