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Day 10: MHT-CET Physics

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

  1. Question 1

    Electromagnetic Induction. This type asked 9 times: 4 May 2023 S2, 11 May 2024 S2, 14 May 2024 S1, 14 May 2024 S2, 19 Apr 2025 S2, 26 Apr 2025 S1, 13 Apr 2026 S2, 20 Apr 2026 S1, 12 May 2026 S2. This one: 12 May 2026 S2 See all 9 of this type

    136
    The coil of area 0.10.1 m2^2 has 10001000 turns. It is placed in a magnetic field of strength 5×10−45 \times 10^{-4} T. The average e.m.f. induced in the coil, if rotated through 1800180^0 in 0.10.1 s is (cos⁡0∘=1,cos⁡180∘=−1)(\cos 0^\circ = 1, \cos 180^\circ = -1)

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  2. Question 2

    Thermodynamics. This type asked 9 times: 3 May 2023 S1, 10 May 2023 S1, 11 May 2023 S1, 11 May 2024 S1, 19 Apr 2025 S1, 11 Apr 2026 S1, 16 Apr 2026 S1, 18 Apr 2026 S2, 20 Apr 2026 S2. This one: 20 Apr 2026 S2 See all 9 of this type

    117
    An ideal gas having pressure PP, volume VV and temperature TT is expanded isothermally, to a volume 3V3V and final pressure PIP_I. The same gas is expanded adiabatically to a volume 3V3V, the final pressure being PAP_A. The ratio PAPI\dfrac{P_A}{P_I} is (CPCV=γ)\left(\dfrac{C_P}{C_V} = \gamma\right)

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  3. Question 3

    Mechanical Properties of Fluids. This type asked 9 times: May 2022 S1, 11 May 2023 S1, 15 May 2023 S2, 9 May 2024 S2, 13 May 2024 S2, 25 Apr 2025 S2, 15 Apr 2026 S1, 17 Apr 2026 S1, 20 Apr 2026 S1. This one: 20 Apr 2026 S1 See all 9 of this type

    109
    If 450450 erg of work is done in blowing a soap bubble of radius 'rr', the additional work required to be done to blow it to a radius equal to 3r3r is

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  4. Question 4

    AC Circuits. This type asked 9 times: May 2022 S1, 10 May 2023 S2, 11 May 2023 S1, 15 May 2023 S1, 14 May 2024 S2, 19 Apr 2025 S2, 20 Apr 2025 S1, 21 Apr 2025 S2, 19 Apr 2026 S1. This one: 19 Apr 2026 S1 See all 9 of this type

    137
    For a series LCR circuit inductive reactance XLX_L is equal to resistance RR and also equal to twice the capacitive reactance XCX_C. The impedance of the circuit and the phase difference between voltage V and current i are respectively

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  5. Question 5

    Mechanical Properties of Fluids. Asked 8 times: 9 May 2023 S2*, 11 May 2023 S2*, 19 Apr 2025 S2*, 26 Apr 2025 S1*, 11 Apr 2026 S1*, 12 May 2026 S2*, 19 May 2026 S1*, 19 May 2026 S2 (* = numbers or wording changed that year) See all 8 times it was asked

    110
    A tiny water droplet falls through the air at a uniform terminal speed of 11 cm/s. If 2727 such identical droplets coalesce to form a single larger drop, what will be the new terminal velocity of the resulting drop, assuming the air remains the same?

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