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Day 89: MHT-CET Physics

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

  1. Question 1

    Optics (Ray). Asked 3 times: 3 May 2023 S1*, 3 May 2023 S2*, 19 Apr 2025 S2 (* = numbers or wording changed that year) See all 3 times it was asked

    2
    A convex lens of focal length 13 m\frac{1}{3}\text{ }m forms a real, inverted image twice the size of the object. The distance of the object from the lens is

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  2. Question 2

    Thermal Properties of Matter. Asked 3 times: 9 May 2023 S1, 16 May 2023 S2, 19 Apr 2025 S1 See all 3 times it was asked

    22
    Two rods of different materials have lengths ' l1l_{1} ' and ' l2l_{2} ' whose coefficient of linear expansions are ' α1\alpha_{1} ' and ' α2\alpha_{2} ' respectively. If the difference between the two lengths is independent of temperature then

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  3. Question 3

    Current Electricity. Asked 3 times: 10 May 2023 S1*, 11 May 2024 S1*, 14 May 2024 S2 (* = numbers or wording changed that year) See all 3 times it was asked

    49
    In potentiometer experiment, the balancing length is 8 m when two cells E1E_1 and E2E_2 are joined in series. When two cells are connected in opposition the balancing length is 4 m. The ratio of the e.m.f. of the two cells E1E2\frac{E_1}{E_2} is

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  4. Question 4

    Electromagnetic Induction. Asked 3 times: 4 May 2023 S2*, 11 May 2024 S1*, 14 May 2024 S2 (* = numbers or wording changed that year) See all 3 times it was asked

    32
    A long solenoid has 1500 turns. When a current of 35 A flows through it, the magnetic flux linked with each turn of the solenoid is 2.8×10−2 Wb2.8 \times 10^{-2}\,\text{Wb}. The self-inductance of the solenoid is

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  5. Question 5

    Structure of Atoms and Nuclei. Asked 3 times: May 2021 S1, 16 May 2023 S1, 14 May 2024 S1 See all 3 times it was asked

    25
    Frequency of the series limit of Balmer series of hydrogen atom in terms of Rydberg's constant (R)(R) and velocity of light (c)(c) is:

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