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Day 308: MHT-CET Physics

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

  1. Question 1

    Semiconductor Devices. Asked once: 11 May 2023 S2 (same type asked 7 times) See all 7 of this type

    11
    Assuming that junction diode is ideal, the current in arrangement shown in figure

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  2. Question 2

    Rotational Dynamics. Asked once: 14 May 2024 S2 (same type asked 7 times) See all 7 of this type

    5
    Four identical uniform solid spheres each of same mass MM and radius RR are placed touching each other with centres A, B, C, D. IAI_A and IBI_B are the moment of inertia of these spheres respectively about an axis passing through centre and perpendicular to the plane. The difference in IAI_A and IBI_B is

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  3. Question 3

    Superposition of Waves. Asked once: 11 May 2024 S2 (same type asked 7 times) See all 7 of this type

    49
    A transverse wave in a medium is given by y=Asin⁡2(ωt−kx)y = A\sin^2(\omega t - kx). It is found that the magnitude of the maximum velocity of particles in the medium is equal to that of the wave velocity. What is the value of A?

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  4. Question 4

    Optics (Ray). Asked once: 22 Apr 2025 S2 (same type asked 7 times) See all 7 of this type

    37
    A concave lens (refractive index =1.5= 1.5 ) has both surfaces of same radius of curvature R . If it is immersed in a liquid of refractive index 1.75 it will act as a

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  5. Question 5

    Magnetic Fields Due to Electric Current. Asked once: 20 Apr 2025 S1 (same type asked 7 times) See all 7 of this type

    9
    A wire has three different sections as shown in figure. The magnitude of the magnetic field produced at the center ' OO ' of the semicircle by three sections together is ( μ0=\mu_{0}= permiability of free space)

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