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Day 371: MHT-CET Physics

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

  1. Question 1

    Magnetic Fields Due to Electric Current. Asked once: 21 Apr 2025 S1

    2
    Two very long straight conductors (wires) are set parallel to each other. Each carries a current ' TT ' in the same direction and the separation between them is ' 2r2r '. The intensity of the magnetic field at point ' P ' (as shown in the figure) ( μ0=\mu_{0}= permeability of free space) is

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  2. Question 2

    Mechanical Properties of Fluids. Asked once: 23 Apr 2025 S1

    21
    A disc of paper of radius ' RR ' has a hole of radius ' rr '. It is floating on a liquid of surface tension ' TT '. The force of surface tension on the disc is

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  3. Question 3

    Motion in a Plane. Asked once: 20 Apr 2026 S1

    101
    The area of parallelogram formed by vectors P⃗=2i^−j^+5k^\vec{P} = 2\hat{i} - \hat{j} + 5\hat{k} and Q⃗=3i^−2j^+4k^\vec{Q} = 3\hat{i} - 2\hat{j} + 4\hat{k} is

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  4. Question 4

    Optics (Ray). Asked once: 18 Apr 2026 S1

    140
    A simple microscope is a combination of two lenses in contact. Their powers are +20D+20\mathrm{D} and −4D-4\mathrm{D}. The distance of distinct vision is 2525 cm. When seen through the microscope, the size of the image of an object 33 mm high is

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  5. Question 5

    Oscillations. Asked once: 26 Apr 2025 S2

    29
    A particle is performing S.H.M. starting from extreme position. Graphical representation shows that between displacement and acceleration, there is a phase difference of

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