PYQ Vault
EbooksTutor

Day 407: JEE Mains Physics

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

  1. Question 1

    Atoms. Asked once: 2021 Paper 7 (same type asked 6 times) See all 6 of this type

    18
    Which level of the single ionized carbon has the same energy as the ground state energy of hydrogen atom?

    Tap an option to check your answer.

  2. Question 2

    Thermodynamics. Asked once: 2021 Paper 1 (same type asked 6 times) See all 6 of this type

    11
    Match List I with List II
    List-IList-II
    (A) Isothermal(i) Pressure constant
    (B) Isochoric(ii) Temperature constant
    (C) Adiabatic(iii) Volume constant
    (D) Isobaric(iv) Heat content is constant
    Choose the correct answer from the options given below -

    Tap an option to check your answer.

  3. Question 3

    Kinetic Theory. Asked once: 28 Jun 2022 (same type asked 6 times) See all 6 of this type

    28
    The total internal energy of two mole monoatomic ideal gas at temperature T=300 KT = 300\text{ }K will be ____\_\_\_\_ J. (Given R=8.31 J/mol.KR = 8.31\text{ }J/mol.K )

  4. Question 4

    Moving Charges and Magnetism. Asked once: 28 Jul 2022 (same type asked 6 times) See all 6 of this type

    12
    The current sensitivity of a galvanometer can be increased by: (A) decreasing the number of turns (B) increasing the magnetic field (C) decreasing the area of the coil (D) decreasing the torsional constant of the spring Choose the most appropriate answer from the options given below:

    Tap an option to check your answer.

  5. Question 5

    Atoms. Asked once: 2021 Paper 21 (same type asked 6 times) See all 6 of this type

    23
    X different wavelengths may be observed in the spectrum from a hydrogen sample if the atoms are excited to states with principal quantum number n=6n = 6 ? The value of XX is