PYQ Vault
EbooksTutor

Day 536: JEE Mains Physics

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

  1. Question 1

    Oscillations. Asked once: 2021 Paper 26

    16
    Given below are two statements: Statement (a): - A second's pendulum has a time period of 1 second. Statement (b): - It takes precisely one second to move between the two extreme positions. In the light of the above statements, choose the correct answer from the options give below.

    Tap an option to check your answer.

  2. Question 2

    Ray Optics. Asked once: 9 Apr 2024

    4
    Given below are two statements: Statement (I): When an object is placed at the centre of curvature of a concave lens, image is formed at the centre of curvature of the lens on the other side. Statement (II): Concave lens always forms a virtual and erect image. 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

    Semiconductor Electronics. Asked once: 3 Apr 2025

    88
    The truth table corresponding to the circuit given below is.

    Tap an option to check your answer.

  4. Question 4

    System of Particles and Rotational Motion. Asked once: 22 Jan 2025

    24
    The position vectors of two 1 kg particles, (A) and (B), are given by r→A=(α1t2i^+α2tj^+α3tk^)m{\overrightarrow{r}}_{A}=\left( \alpha_{1}t^{2}\widehat{i}+\alpha_{2}t\widehat{j}+\alpha_{3}t\widehat{k} \right)m and r→B=(β1ti^+β2t2j^+β3tk^)m{\overrightarrow{r}}_{B}=\left( \beta_{1}t\widehat{i}+\beta_{2}t^{2}\widehat{j}+\beta_{3}t\widehat{k} \right)m, respectively; (α1=1 m/s2,α2=3n m/s,α3=2 m/s,β1=2 m/s\left( \alpha_{1}= 1\text{ }m/s^{2},\alpha_{2}= 3n\text{ }m/s,\alpha_{3}= 2\text{ }m/s,\beta_{1}= 2\text{ }m/s \right., β2=−1 m/s2,β3=4p m/s\beta_{2}= - 1\text{ }m/s^{2},\beta_{3}= 4p\text{ }m/s ), where t is time, n and p are constants, At t=1 s,∣ V→A∣=∣V→B∣t = 1\text{ }s,\left| {\overrightarrow{\text{ }V}}_{A} \right|=\left| {\overrightarrow{V}}_{B} \right| and velocities V→A{\overrightarrow{V}}_{A} and V→B{\overrightarrow{V}}_{B} of the particles are orthogonal to each other. At t=1 st = 1\text{ }s, the magnitude of angular momentum of particle (A) with respect to the position of particle (B) is Lkgm2 s−1\sqrt{L}kgm^{2}{\text{ }s}^{- 1}. The value of LL is ______\_\_\_\_\_\_

  5. Question 5

    Thermal Properties of Matter. Asked once: 2021 Paper 3

    10
    Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : When a rod lying freely is heated, no thermal stress is developed in it. Reason RR : On heating, the length of the rod increases. In the light of the above statements, choose the correct answer from the options given below:

    Tap an option to check your answer.