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Day 365: MHT-CET Physics

5 questions. Try each one first, then open its answer.

  1. Question 1

    Thermodynamics. Asked once: 20 Apr 2026 S2

    116
    The efficiency of Carnot engine which operates between the two temperatures T1=500T_1 = 500 K and T2=300T_2 = 300 K is

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  2. Question 2

    Wave Optics. Asked once: 13 Apr 2026 S2

    141
    In Young's double slit experiment, following figure shows that QQ is the position of second bright fringe on the right side of point OO. PP is the eleventh bright fringe on the other side measured from point QQ. If the wavelength of light used is 60006000 A˚\mathrm{\mathring{A}}, then what will be the value of S1BS_1B?

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  3. Question 3

    AC Circuits. Asked once: 23 Apr 2025 S1

    40
    Figure shows the combination of inductances and capacitances. Resonant frequency of the L−CL - C circuit is

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  4. Question 4

    Current Electricity. Asked once: 17 Apr 2026 S2

    129
    A current of 9A enters point P of an equilateral triangle PQR having three wires of 3Ω3\Omega each and leaves by point R. The currents I1I_1 and I2I_2 are respectively

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  5. Question 5

    Dual Nature of Radiation and Matter. Asked once: 2 May 2023 S1

    46
    The work function of metal A and B are in the ratio 1:21:2. If light of frequency ff and 2f2f is incident on surface A and B respectively, then the ratio of kinetic energies of emitted photo electrons is

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