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Day 18: MHT-CET Physics

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

  1. Question 1

    Sound. This type asked 7 times: 3 May 2023 S2, 10 May 2024 S1, 14 May 2024 S2, 23 Apr 2025 S1, 25 Apr 2025 S1, 20 Apr 2026 S1, 12 May 2026 S1. This one: 12 May 2026 S1 See all 7 of this type

    124
    A whistle giving out 400400 Hz approaches a stationary observer at a speed of 3434 m/s. The frequency heard by the observer (in Hz) is nearly (speed of sound =340= 340 m/s)

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  2. Question 2

    Superposition of Waves. This type asked 7 times: 9 May 2024 S2, 11 May 2024 S2, 13 May 2024 S2, 22 Apr 2025 S1, 23 Apr 2025 S1, 19 Apr 2026 S2, 12 May 2026 S1. This one: 12 May 2026 S1 See all 7 of this type

    121
    A simple harmonic progressive wave is given by the equation y=asin⁡2π(nt−xλ)y = a\sin 2\pi\left(nt - \dfrac{x}{\lambda}\right). If the wave velocity is equal to 16×\dfrac{1}{6} \times (maximum particle velocity), then the wavelength λ\lambda is {a\{a = amplitude, nn = frequency, tt = time, yy = displacement, xx = distance}\}

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  3. Question 3

    AC Circuits. This type asked 7 times: 3 May 2023 S1, 11 May 2023 S1, 10 May 2024 S2, 14 May 2024 S1, 25 Apr 2025 S2, 18 Apr 2026 S1, 20 Apr 2026 S2. This one: 20 Apr 2026 S2 See all 7 of this type

    137
    In an LCR series circuit an alternating voltage source of frequency FF is connected. The current leads the voltage by 45∘45^\circ. The value of LL is

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  4. Question 4

    Semiconductor Devices. This type asked 7 times: 9 May 2024 S2, 11 May 2024 S2, 12 May 2024 S1, 26 Apr 2025 S1, 26 Apr 2025 S2, 15 Apr 2026 S1, 20 Apr 2026 S2. This one: 20 Apr 2026 S2 See all 7 of this type

    150
    The depletion region of p-n junction

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  5. Question 5

    Wave Optics. This type asked 7 times: May 2022 S1, 9 May 2024 S1, 10 May 2024 S2, 11 May 2024 S1, 14 May 2024 S1, 15 Apr 2026 S1, 20 Apr 2026 S2. This one: 20 Apr 2026 S2 See all 7 of this type

    142
    In diffraction experiment from single slit, the angular width of the central maxima does NOT depend upon

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