CSIT Entrance Preparation MCQ Questions - Hamro CSIT

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A convex lens of focal length 20cm and other convex lens of focal length 10cm are separated by a distance 5cm for working of this combination the equivalent focal length is

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If 8 drops of mercury each having potential v combines to from a bigger drop then ratio of potential of drop formed to initial drop is

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The flux (in weber) in a closed circuit of a resistance 10Ω varies with time t (in seconds) as ∅=6t2-5t+1. The magnitude of induced currents at t=0.25 sec is

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What must be duration of one day of weightlessness at equator?

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Two identical rods of same material, one placed end to end between steam chamber and ice chamber then 2gm of ice melts in 1 min. If they are placed side by side then find mass of ice melts in 2 min.

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If the number of degrees of freedom of a gas is f, then the value of γ will be

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Lengths of elastic wire is ‘a’ when 4N force acts and ‘b’ when 5N force acts. Find the length when 9N force acts.

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A base player can throw a ball a maximum distance ‘d’ over the ground. The maximum vertical height to which he can throw is

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The color of light thin film due to

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The maximum wave length of photo electrons from metal is 4000A. The work function of metal is

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