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Acceleration of a magnet falling through a ring or a metal pipe (Lenz's law)

This type of question, asked 4 times: 10 May 2024 S2, 22 Apr 2025 S1, 25 Apr 2025 S2, 15 Apr 2026 S1. All 4 questions below, oldest first.

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  1. Question 1

    10 May 2024 S2

    24
    A hollow metal pipe is held vertically and bar magnet is dropped through it with its length along the axis of the pipe. The acceleration of the falling magnet is (g=g= acceleration due to gravity)

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  2. Question 2

    22 Apr 2025 S1

    46
    A copper ring is held horizontally, and a bar magnet is dropped through the ring with its length along the axis of the ring. The acceleration of the falling magnet while it is passing through the ring is

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  3. Question 3

    25 Apr 2025 S2

    4
    A copper ring having a cut such as not to form a complete loop is held horizontally and a bar magnet is dropped through the ring with its length along the axis of the ring as shown in figure. The acceleration of the falling magnet is ( g=g = acceleration due to gravity)

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  4. Question 4

    15 Apr 2026 S1

    136
    A bar magnet falls from a height 'h' through a metal pipe, its acceleration after coming out of pipe is

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