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Day 240: MHT-CET Physics

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

  1. Question 1

    Units and Measurement. Asked once: 19 Apr 2026 S1 (same type asked 3 times) See all 3 of this type

    129
    The voltage across a lamp is (6.0±0.3)(6.0 \pm 0.3) volt and the current passing through it is (4.0±0.1)(4.0 \pm 0.1) ampere. The power consumed in watt will be (using percentage error)

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  2. Question 2

    Optics (Ray). Asked once: 11 May 2023 S2 (same type asked 3 times) See all 3 of this type

    32
    A vessel is filled with two different liquids which do not mix. One is 40 cm deep and has refractive index 1.6 and other is 30 cm deep and has refractive index 1.5. The apparent depth of vessel when viewed normally is

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  3. Question 3

    Superposition of Waves. Asked once: 9 May 2024 S1 (same type asked 3 times) See all 3 of this type

    43
    When a string of length 'll' is divided into three segments of length l1,l2l_1, l_2 and l3l_3. The fundamental frequencies of three segments are n1,n2n_1, n_2 and n3n_3 respectively. The original fundamental frequency 'nn' of the string is

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  4. Question 4

    Oscillations. Asked once: 19 Apr 2025 S2 (same type asked 3 times) See all 3 of this type

    9
    A vertical spring oscillates with period 6 second with mass mm is suspended from it. When the mass is at rest, the spring is stretched through a distance of (Take, acceleration due to gravity, g=π2=10 m/s2g =\pi^{2}= 10\text{ }m/s^{2} )

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  5. Question 5

    Thermal Properties of Matter. Asked once: 9 May 2024 S2 (same type asked 3 times) See all 3 of this type

    16
    The side of a copper cube is 1 m at 0∘0^\circC. What will be the change in its volume, when it is heated to 100∘100^\circC? αcopper=18×10−6\alpha_{copper} = 18\times10^{-6}/°C

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