PYQ Vault

Day 233: MHT-CET Physics

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

  1. Question 1

    Gravitation. Asked once: 11 May 2024 S1 (same type asked 4 times) See all 4 of this type

    25
    The radius of earth is 6400 km and acceleration due to gravity =10= 10 ms−2^{-2}. For the weight of body of mass 5 kg to be zero on equator, rotational velocity of the earth must be (in rad/s)

    Tap an option to check your answer.

  2. Question 2

    Rotational Dynamics. Asked once: 16 May 2023 S2 (same type asked 4 times) See all 4 of this type

    3
    Three point masses, each of mass mm, are placed at the corners of an equilateral triangle of side LL. The moment of inertia of the system about an axis passing through one of the vertices and parallel to the side joining other two vertices will be

    Tap an option to check your answer.

  3. Question 3

    Semiconductor Devices. Asked once: 10 May 2024 S1 (same type asked 4 times) See all 4 of this type

    17
    To obtain the truth table shown, from the following logic circuit, the gate G should be
    ABY
    001
    010
    101
    111

    Tap an option to check your answer.

  4. Question 4

    Mechanical Properties of Fluids. Asked once: 9 May 2023 S1 (same type asked 4 times) See all 4 of this type

    37
    Water is flowing in a conical tube as shown in figure. Velocity of water at area A2A_2 is 60 cm/s. The value of A1A_1 and A2A_2 is 10 cm210\,\text{cm}^2 and 5 cm25\,\text{cm}^2 respectively. The pressure difference at both the cross-sections is

    Tap an option to check your answer.

  5. Question 5

    Structure of Atoms and Nuclei. Asked once: 11 Apr 2026 S1 (same type asked 4 times) See all 4 of this type

    147
    The number of revolutions per second made by an electron in the first Bohr orbit of hydrogen atom is (hh = Planck's constant, mm is the mass of electron and rr is the radius of the orbit.)

    Tap an option to check your answer.