PYQ Vault
EbooksTutor

Day 245: MHT-CET Physics

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

  1. Question 1

    Thermodynamics. Asked once: 2 May 2023 S1 (same type asked 3 times) See all 3 of this type

    30
    One mole of an ideal gas at an initial temperature of TT K does 6R6R J of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is 5/35/3, the final temperature of gas will be (R=8.31R = 8.31 J mol−1^{-1} K−1^{-1})

    Tap an option to check your answer.

  2. Question 2

    Semiconductor Devices. Asked once: 25 Apr 2025 S2 (same type asked 3 times) See all 3 of this type

    8
    A piece of semiconductor is connected in series in an electric circuit. On increasing the temperature, the current in the circuit will

    Tap an option to check your answer.

  3. Question 3

    Laws of Motion. Asked once: 12 May 2024 S1 (same type asked 3 times) See all 3 of this type

    26
    A particle of mass mm moving eastward with a speed vv collides with another particle of same mass moving northward with same speed vv. The two particles coalesce after collision. The new particle of mass 2m2m will move in north east direction with a speed (in m/s)

    Tap an option to check your answer.

  4. Question 4

    Oscillations. Asked once: 25 Apr 2025 S1 (same type asked 3 times) See all 3 of this type

    37
    The displacement of particle in S.H.M. is x=Acos(ωt+π/6)x = Acos(\omega t +\pi/6). Its speed will be maximum at time (sin⁡90∘=1)\left( \sin90^{\circ}= 1 \right)

    Tap an option to check your answer.

  5. Question 5

    Semiconductor Devices. Asked once: 10 May 2024 S1 (same type asked 3 times) See all 3 of this type

    29
    In insulators

    Tap an option to check your answer.