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Day 151: MHT-CET Physics

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

  1. Question 1

    Semiconductor Devices. Asked 2 times: 14 May 2024 S2, 11 Apr 2026 S1 See all 2 times it was asked

    150
    When the conductivity of a semiconductor is only due to breaking of covalent bonds, the semiconductor is called

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  2. Question 2

    Thermodynamics. Asked 2 times: 3 May 2023 S1, 11 Apr 2026 S1 See all 2 times it was asked

    116
    Two samples A and B of gas initially at the same pressure and temperature. They are compressed from volume VV to V2\dfrac{V}{2} (A isothermally and B adiabatically). The relation between pressure of the gas A (PA)(P_A) and pressure of gas B (PB)(P_B) is

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  3. Question 3

    Wave Optics. Asked 2 times: 12 May 2024 S1, 11 Apr 2026 S1 See all 2 times it was asked

    142
    In a Young's double slit experiment, the intensities at two points, for the path difference λ4\dfrac{\lambda}{4} and λ3\dfrac{\lambda}{3} (λ\lambda being the wavelength of light used) are I1I_1 and I2I_2 respectively. If I0I_0 denotes the intensity produced by each one of the individual slits, then I1+I2I0=\dfrac{I_1 + I_2}{I_0} = (cos⁡45∘=12,cos⁡60=12)\left(\cos 45^\circ = \dfrac{1}{\sqrt{2}}, \cos 60 = \dfrac{1}{2}\right)

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  4. Question 4

    Dual Nature of Radiation and Matter. Asked 2 times: May 2021 S1, 26 Apr 2025 S2 See all 2 times it was asked

    15
    Let EeE_{e} and EpE_{p} represents kinetic energy of electron and photon respectively. If de-Broglie wavelength of a photon is twice the de-Broglie wavelength of an electron then Ep/EeE_{p}/E_{e} is (speed of electron =C/100= C/100 where C is the velocity of light)

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  5. Question 5

    Magnetic Fields Due to Electric Current. Asked 2 times: 22 Apr 2025 S2, 26 Apr 2025 S2 See all 2 times it was asked

    21
    Two wires of equal lengths are bent in the form of a square and a circular loop. They are suspended in a uniform magnetic field and same current is passed through them. Torque experienced by

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