PYQ Vault

Day 190: JEE Mains Physics

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

  1. Question 1

    Kinetic Theory. Asked once: 25 Jun 2022 (same type asked 4 times) See all 4 of this type

    7
    The relation between root mean square speed (vrms)\left( v_{rms} \right) and most probable speed (vp)\left( v_{p} \right) for the molar mass MM of oxygen gas molecule at the temperature of 300 K300\text{ }K will be :-

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  2. Question 2

    Gravitation. Asked once: 1 Feb 2023 (same type asked 4 times) See all 4 of this type

    14
    Given below are two statements: Statement I: Acceleration due to gravity is different at different places on the surface of earth. Statement II: Acceleration due to gravity increases as we go down below the earth's surface. In the light of the above statements, choose the correct answer from the options given below

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  3. Question 3

    Current Electricity. Asked once: 25 Jun 2022 (same type asked 4 times) See all 4 of this type

    27
    A resistor develops 300 J300\text{ }J of thermal energy in 15 s15\text{ }s, when a current of 2 A2\text{ }A is passed through it. If the current increases to 3 A3\text{ }A, the energy developed in 10 s is ____\_\_\_\_ J.
  4. Question 4

    Electromagnetic Waves. Asked once: 29 Jul 2022 (same type asked 4 times) See all 4 of this type

    112
    Nearly 10%10\% of the power of a 110 W110\text{ }W light bulb is converted to visible radiation. The change in average intensities of visible radiation, at a distance of 1 m1\text{ }m from the bulb to a distance of 5 m5\text{ }m is a×10−2 W/m2a\times10^{- 2}\text{ }W/m^{2}. The value of ' aa ' will be
  5. Question 5

    Moving Charges and Magnetism. Asked once: 29 Jul 2022 (same type asked 4 times) See all 4 of this type

    28
    A wire of length 314 cm314\text{ }cm carrying current of 14 A14\text{ }A is bent to form a circle. The magnetic moment of the coil is ____A-m  2\ ^{2}. [Given  π=3.14]\left. \ \pi= 3.14 \right\rbrack