PYQ Vault

Day 170: MHT-CET Physics

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

  1. Question 1

    Rotational Dynamics. Asked 2 times: 9 May 2023 S1*, 9 May 2024 S2 (* = numbers or wording changed that year) See all 2 times it was asked

    15
    A disc of radius RR and thickness R6\frac{R}{6} has moment of inertia II about an axis passing through its centre and perpendicular to its plane. Disc is melted and recast into a solid sphere. The moment of inertia of the sphere about its diameter is

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  2. Question 2

    Gravitation. Asked 2 times: 3 May 2023 S1*, 9 May 2024 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    42
    A stone is projected vertically upwards with speed 'VV'. Another stone of same mass is projected at an angle of 60∘60^\circ with the vertical with the same speed 'VV'. The ratio of their potential energies at the highest points of their journey is

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  3. Question 3

    Oscillations. Asked 2 times: 10 May 2023 S1, 9 May 2024 S1 See all 2 times it was asked

    33
    The maximum velocity of a particle performing S.H.M. is 'VV'. If the periodic time is made 13\frac{1}{3}rd and the amplitude is doubled, then the new maximum velocity of the particle will be

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  4. Question 4

    Optics (Ray). Asked 2 times: 10 May 2023 S2, 16 May 2023 S2 See all 2 times it was asked

    8
    An optician makes spectacles having a combination of a convex lens of focal length 40 cm in contact with a concave lens of focal length 25 cm. The power of this combination of lenses in dioptre is

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  5. Question 5

    AC Circuits. Asked 2 times: 4 May 2023 S1*, 16 May 2023 S2 (* = numbers or wording changed that year) See all 2 times it was asked

    1
    A circular coil of resistance RR, area AA, number of turns NN is rotated about its vertical diameter with angular speed ω\omega in a uniform magnetic field of magnitude BB. The average power dissipated in a complete cycle is

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