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Day 367: MHT-CET Physics

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

  1. Question 1

    Magnetic Fields Due to Electric Current. Asked once: 23 Apr 2025 S1

    39
    Let the current 'I' be associated with an electron of charge 'ee' moving in a circular orbit of radius 'rr' with speed 'vv' around the positively charged nucleus. The ratio rv\frac{r}{v} is

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  2. Question 2

    Mechanical Properties of Fluids. Asked once: 11 Apr 2026 S2

    110
    In a capillary tube of radius 'R', a straight thin metal wire of radius 'r' is inserted symmetrically and one end of the combination is dipped vertically in water such that lower end of the capillary and thin wire are at same level. If 'T' is the surface tension of water and 'ρ\rho' is the density of water then the rise of water in the capillary is

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  3. Question 3

    Motion in a Plane. Asked once: 20 Apr 2026 S2

    104
    A car is travelling at 40 m/s on a circular path of radius 40 m. It is increasing its speed at the rate of 2 m/s22\ \mathrm{m/s^2}. Its net acceleration is (in m/s2\mathrm{m/s^2}) nearly

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  4. Question 4

    Optics (Ray). Asked once: 18 Apr 2026 S2

    142
    A plane wavefront of width xx, is incident on an air-water interface and the corresponding refracted wavefront has a width y as shown in figure. The refreactive index of air with respect to water in terms of distances w and z is

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  5. Question 5

    Oscillations. Asked once: 11 Apr 2026 S1

    119
    There is a body having mass mm and performing SHM with amplitude 'aa'. There is a restoring force F=−KxF = -Kx, where xx is the displacement. The total energy of the body depends upon which of the following?

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