PYQ Vault
EbooksTutor

Day 529: JEE Mains Physics

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

  1. Question 1

    Thermal Properties of Matter. Asked once: 2021 Paper 14

    18
    Temperature vs time graphs are given below for 2 substances. Compare specific heat capacity.

    Tap an option to check your answer.

  2. Question 2

    Thermodynamics. Asked once: 8 Apr 2023

    6
    Given below are two statements: Statement I: If heat is added to a system, its temperature must increase. Statement II: If positive work is done by a system in a thermodynamic process, its volume must increase. In the light of the above statements, choose the correct answer from the options given below

    Tap an option to check your answer.

  3. Question 3

    Units and Measurements. Asked once: 6 Apr 2024

    109
    Given below are two statements: Statement (I) : Dimensions of specific heat is [L2 T−2 K−1]\left\lbrack L^{2}{\text{ }T}^{- 2}{\text{ }K}^{- 1} \right\rbrack Statement (II) : Dimensions of gas constant is [M L  2 T−1 K−1\ ^{2}{\text{ }T}^{- 1}{\text{ }K}^{- 1} ]

    Tap an option to check your answer.

  4. Question 4

    Work, Energy and Power. Asked once: 11 Apr 2023

    115
    A block of mass 5 kg5\text{ }kg starting from rest pulled up on a smooth incline plane making an angle of 30∘30^{\circ} with horizontal with an affective acceleration of 1 ms−2ms^{- 2}. The power delivered by the pulling force at t=10 st = 10\text{ }s from the start is ____W. [Use g=10 ms−2g = 10{\text{ }ms}^{- 2} ] (calculate the nearest integer value)

  5. Question 5

    Atoms. Asked once: 29 Jun 2022

    27
    d1\sqrt{d_{1}} and d2\sqrt{d_{2}} are the impact parameters corresponding to scattering angles 60∘60^{\circ} and 90∘90^{\circ} respectively, when an α\alpha particle is approaching a gold nucleus. For d1=xd2d_{1}= xd_{2}, the value of xx will be