PYQ Vault

Day 355: MHT-CET Physics

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

  1. Question 1

    Optics (Ray). Asked once: 14 May 2026 S1

    140
    The combined focal length is FF when a convex lens of focal length F1F_1 and concave lens of focal length F2F_2 is combined. The combination of these lenses will behave like a concave lens, if

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  2. Question 2

    Oscillations. Asked once: 15 Apr 2026 S2

    118
    A body of mass 0.40.4 kg performs simple harmonic motion. It experiences a restoring force of 0.40.4 N when its displacement from the mean position is 4 cm. The force constant and magnitude of acceleration respectively are

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  3. Question 3

    Rotational Dynamics. Asked once: 13 May 2026 S1

    106
    The moment of inertia of two equal masses each of mass m at separation L connected by a rod of mass M about an axis passing through centre and perpendicular to the length of rod is

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  4. Question 4

    Semiconductor Devices. Asked once: 19 Apr 2026 S2

    149
    In a transistor, comparing the doping of emitter, base and collector, the part which is heavily doped and that which is lightly doped are respectively

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  5. Question 5

    Sound. Asked once: 25 Apr 2025 S2

    31
    In an open end organ pipe of length ' LL ', if the velocity of sound is ' V ', then the fundamental frequency will be (Neglect end correction)

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