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Day 231: MHT-CET Physics

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

  1. Question 1

    Superposition of Waves. Asked once: 11 May 2024 S1 (same type asked 4 times) See all 4 of this type

    11
    A string fixed at both the ends forms standing wave with node separation of 5 cm. If the velocity of the wave on the string is 2 m/s, then the frequency of vibration of the string is

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  2. Question 2

    Thermal Properties of Matter. Asked once: 22 Apr 2025 S1 (same type asked 4 times) See all 4 of this type

    14
    The temperature of a body on Kelvin scale is ' xx ' K. When it is measured by a Fahrenheit thermometer, it is found to be ' x '  ∘F\ ^{\circ}F. The value of ' xx ' is (nearly)

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  3. Question 3

    AC Circuits. Asked once: 16 May 2023 S2 (same type asked 4 times) See all 4 of this type

    16
    In an LCR circuit, if VV is the effective value of the applied voltage, VRV_R is the voltage across RR, VLV_L and VCV_C is the effective voltage across LL and CC respectively then

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  4. Question 4

    Electrostatics. Asked once: 13 Apr 2026 S2 (same type asked 4 times) See all 4 of this type

    129
    A parallel plate capacitor with air between the plate has a capacitance of 1515 pF. The separation between the plates becomes twice and the space between them is filled with a medium of dielectric constant 3.53.5. Then the capacitance becomes x/4x/4 pF. The value of xx is

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  5. Question 5

    Electrostatics. Asked once: 19 Apr 2025 S1 (same type asked 4 times) See all 4 of this type

    44
    An electric dipole of dipole moment ' pp ' is aligned parallel to a uniform electric field ' E '. The energy required to rotate the dipole by 90∘90^{\circ} is [sin⁡0∘=0,sin⁡90∘=1cos⁡0∘=1,cos⁡90∘=0]\begin{bmatrix} \sin0^{\circ}= 0, & \sin90^{\circ}= 1 \\ \cos0^{\circ}= 1, & \cos90^{\circ}= 0 \end{bmatrix}

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