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Day 306: MHT-CET Physics

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

  1. Question 1

    Oscillations. Asked once: 21 Apr 2025 S1 (same type asked 8 times) See all 8 of this type

    38
    A simple pendulum has time period ' T1T_{1} '. The point of suspension is now moved upward according to equation y=kt2y =kt^{2} where k=1 m/s2k = 1\text{ }m/s^{2}. If new time period is ' T2T_{2} ' then T12/T22T_{1}^{2}/T_{2}^{2} will be ( g=10 m/s2g = 10\text{ }m/s^{2} )

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  2. Question 2

    Kinetic Theory of Gases. Asked once: 2 May 2023 S2 (same type asked 8 times) See all 8 of this type

    27
    The average translational kinetic energy of nitrogen (molar mass 28) molecules at a particular temperature is 0.042 eV. The translational kinetic energy of oxygen molecules (molar mass 32) in eV at double the temperature is

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  3. Question 3

    Magnetic Fields Due to Electric Current. Asked once: 25 Apr 2025 S2 (same type asked 7 times) See all 7 of this type

    45
    A circular coil carrying current ' T ' has a radius ' rr ' and ' nn ' turns. The magnetic field along the axis of a coil at a distance ' 22r2\sqrt{2}r ' from its centre is (μ0=\mu_{0}= permeability of free space, nn is very small)

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  4. Question 4

    Dual Nature of Radiation and Matter. Asked once: 14 May 2024 S1 (same type asked 7 times) See all 7 of this type

    29
    If the radius of the first Bohr orbit is 'rr' then the de-Broglie wavelength of the electron in the 4th orbit will be

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  5. Question 5

    Electromagnetic Induction. Asked once: 12 May 2026 S2 (same type asked 7 times) See all 7 of this type

    135
    An induced current of 22A flows through a coil. The resistance of the coil is 10 Ω10\,\Omega. What is the change in magnetic flux associated with a coil in 11 ms ?

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