PYQ Vault

Day 97: MHT-CET Physics

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

  1. Question 1

    Mechanical Properties of Fluids. This type asked 3 times: 10 May 2023 S1, 16 Apr 2026 S1, 12 May 2026 S2. This one: 12 May 2026 S2 See all 3 of this type

    109
    A water tank of height ′h′'h' has a hole at the bottom. It is completely filled with water. The total pressure at the bottom is 4H4H and atmospheric pressure is HH. The velocity of water flowing out of the hole is (ρ\rho = density of water)

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  2. Question 2

    Oscillations. This type asked 3 times: 13 May 2024 S2, 19 Apr 2025 S2, 12 May 2026 S2. This one: 12 May 2026 S2 See all 3 of this type

    118
    A spring produces extension ′x′'x' by applying a force ′F′'F' N. A body of mass ′m′'m' suspended from spring oscillates vertically with period ′T′'T'. The mass of the suspended body is (Neglect mass of spring)

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  3. Question 3

    Semiconductor Devices. This type asked 3 times: 22 Apr 2025 S1, 13 Apr 2026 S2, 12 May 2026 S2. This one: 12 May 2026 S2 See all 3 of this type

    148
    Pure silicon crystal at 300300K has equal electron and hole concentration 2×10162 \times 10^{16} per m3^3. Doping by indium increases hole concentration to 4×10224 \times 10^{22} per m3^3. Electron concentration in doped silicon is

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  4. Question 4

    Thermal Properties of Matter. This type asked 3 times: 9 May 2024 S1, 9 May 2024 S2, 12 May 2026 S2. This one: 12 May 2026 S2 See all 3 of this type

    111
    What is the change in volume of an iron sphere of volume 400400 cm3^3, when it is heated from 0∘C0^\circ C to 50∘C50^\circ C ? (αiron=12×10−6/∘C\alpha_{iron} = 12 \times 10^{-6}/^\circ C)

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  5. Question 5

    Magnetic Fields Due to Electric Current. This type asked 3 times: 15 Apr 2026 S2, 17 Apr 2026 S2, 12 May 2026 S1. This one: 12 May 2026 S1 See all 3 of this type

    133
    A charged particle of mass mm and charge qq travels on a circular path, (of radius 55 unit) is perpendicular to a magnetic field BB. The time taken by a particle to complete 1010 revolutions is

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