PYQ Vault
EbooksTutor

Day 371: JEE Mains Physics

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

  1. Question 1

    Electromagnetic Waves. Asked once: 10 Apr 2023 (same type asked 11 times) See all 11 of this type

    100
    The amplitude of magnetic field in an electromagnetic wave propagating along yy-axis is 6.0×10−7 T6.0 \times10^{- 7}\text{ }T. The maximum value of electric field in the electromagnetic wave is:

    Tap an option to check your answer.

  2. Question 2

    Thermodynamics. Asked once: 26 Jul 2022 (same type asked 11 times) See all 11 of this type

    13
    7 mole of certain monoatomic ideal gas undergoes a temperature increase of 40 K40\text{ }K at constant pressure. The increase in the internal energy of the gas in this process is (Given R=8.3JK−1 mol−1R = 8.3JK^{- 1}{\text{ }mol}^{- 1} )

    Tap an option to check your answer.

  3. Question 3

    Units and Measurements. Asked once: 13 Apr 2023 (same type asked 10 times) See all 10 of this type

    14
    A body of mass (5±0.5)kg(5 \pm 0.5)kg is moving with a velocity of (20±0.4)m/s(20 \pm 0.4)m/s. Its kinetic energy will be

    Tap an option to check your answer.

  4. Question 4

    Alternating Current. Asked once: 29 Jan 2023 (same type asked 10 times) See all 10 of this type

    117
    An inductor of inductance 2μH2\mu H is connected in series with a resistance, a variable capacitor and an ACAC source of frequency 7kHz7kHz. The value of capacitance for which maximum current is drawn into the circuit is 1x F\frac{1}{x}\text{ }F, where the value of xx is.____ (Take π=227\pi =\frac{22}{7} )

  5. Question 5

    Mechanical Properties of Fluids. Asked once: 29 Jan 2024 (same type asked 10 times) See all 10 of this type

    101
    A small liquid drop of radius RR is divided into 27 identical liquid drops. If the surface tension is T, then the work done in the process will be :

    Tap an option to check your answer.