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Day 340: MHT-CET Physics

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

  1. Question 1

    Electrostatics. Asked once: 14 May 2026 S2

    127
    An infinite line charge produces a field of 9×1089 \times 10^8 N/C at a distance of 22 cm. The linear charge density is (14πε0=9×109 SI unit)\left(\dfrac{1}{4\pi\varepsilon_0} = 9 \times 10^9\ \text{SI unit}\right)

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  2. Question 2

    Gravitation. Asked once: 22 Apr 2025 S2

    21
    The magnitude of gravitational potential energy of a body at a distance ' RR ' from the centre of the earth is ' E '. Its weight at a distance ' 1.5 R ' from the centre of the earth is

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  3. Question 3

    Kinetic Theory of Gases. Asked once: 18 Apr 2026 S2

    116
    At a pressure P and temperature T, 7 gram of oxygen occupies a volume V. The equation of state will be (Molecular weight of Oxygen =32= 32)

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  4. Question 4

    Laws of Motion. Asked once: 15 May 2026 S1

    104
    A block of mass mm moving on a frictionless surface at speed VV collides elastically with a block of same mass, initially at rest. Now, the first block moves at an angle θ\theta with its initial direction and has speed V1V_1. The speed of the second block after collision is

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  5. Question 5

    Magnetic Fields Due to Electric Current. Asked once: 12 May 2026 S2

    132
    Choose the WRONG Statement from the following statements. (A) A toroid is a solenoid bent in the form of a closed ring. (B) The magnetic field lines of solenoid are straight lines parallel to the axis inside the solenoid. (C) The magnetic field lines of toroid are circular having common centre. (D) Inside a solenoid, magnetic field may be made strong by passing small current and using laminated coil of soft iron.

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