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Day 272: MHT-CET Physics

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

  1. Question 1

    Oscillations. Asked once: 26 Apr 2025 S2 (same type asked 8 times) See all 8 of this type

    13
    A simple pendulum is suspended from ceiling of a lift when lift is at rest its period is ' TT '. With what acceleration 'a' should lift be accelerated upward in order to reduce the period to ' T′2\frac{T^{'}}{2} ? (take ' g ' as acceleration due to gravity)

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  2. Question 2

    Kinetic Theory of Gases. Asked once: 19 Apr 2025 S2 (same type asked 8 times) See all 8 of this type

    13
    Two gases A and B are at absolute temperatures 350 K and 420 K respectively. The ratio of average kinetic energy of the molecules of gas B to that of gas A is

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  3. Question 3

    Wave Optics. Asked once: 10 May 2023 S2 (same type asked 8 times) See all 8 of this type

    12
    In Young's double slit experiment, the distance between the two coherent sources is 'd' and the distance between the source and screen is 'D'. When the wavelength (λ\lambda) of light source used is d23D\frac{d^2}{3D}, then nnth dark fringe is observed on the screen exactly in front of one of the slits. The value of 'n' is

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  4. Question 4

    Magnetic Fields Due to Electric Current. Asked once: 19 Apr 2026 S1 (same type asked 7 times) See all 7 of this type

    132
    Two circular coils X (smaller) and Y (bigger), each having a single turn, carry equal currents in the same direction and subtend the same angle at point 'O' along the axis of the coil. The distances of the centers of coil to point 'O' are dd and (d2)\left(\dfrac{d}{2}\right) for coil Y and X respectively. The radii of coils Y and X are (2r)(2r) and (r)(r) respectively. The magnetic induction due to the bigger coil at point 'O' is ByB_y and that due to smaller coil X at point 'O' is BxB_x. (d≫r)(d \gg r) The relation between BxB_x and ByB_y is

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  5. Question 5

    Current Electricity. Asked once: 11 May 2023 S2 (same type asked 7 times) See all 7 of this type

    30
    A battery of 6 V is connected to the ends of uniform wire 3 m long and of resistance 100 Ω100\ \Omega. The difference of potential between two points 50 cm apart on the wire is

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