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Day 253: MHT-CET Physics

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

  1. Question 1

    Motion in a Plane. Asked once: May 2022 S1 (same type asked 2 times) See all 2 of this type

    45
    A shell is fired at an angle of 30° to the horizontal with velocity 196 m/s. The time of flight is (sin⁡30°=12=cos⁡60°\sin 30° = \frac{1}{2} = \cos 60°)

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  2. Question 2

    Thermodynamics. Asked once: 16 Apr 2026 S2 (same type asked 2 times) See all 2 of this type

    114
    One gram of a liquid is converted to vapour at 3×1053 \times 10^5 Pa pressure. If 10% of the heat supplied is used for increasing the volume by 1600 cm31600\ \mathrm{cm^3} during this phase change, then the increase in internal energy in the process will be

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  3. Question 3

    Units and Measurement. Asked once: 21 Apr 2025 S2 (same type asked 2 times) See all 2 of this type

    1
    Error in the measurement of radius of the sphere is 2%2\%. The error in the calculated value of its volume is

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  4. Question 4

    Current Electricity. Asked once: 12 May 2024 S1 (same type asked 2 times) See all 2 of this type

    8
    Resistance of a potentiometer wire is 2 Ω/m2\,\Omega/\text{m}. A cell of e.m.f. 1.5 V balances at 300 cm. The current through the wire is

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  5. Question 5

    Magnetic Fields Due to Electric Current. Asked once: 18 Apr 2026 S2 (same type asked 2 times) See all 2 of this type

    133
    Two wires with current 3A and 1.5A are enclosed in a circular loop P. Third parallel wire with current 1A is situated outside the loop as shown. All the wires are perpendicular to the plane of the circular loop. The value of ∮B⃗⋅dl⃗\oint\vec{B}\cdot\vec{dl} around the loop is (μ0=\mu_0 = permeability of free space)

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