PYQ Vault

Day 550: JEE Mains Physics

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

  1. Question 1

    Ray Optics. Asked once: 11 Apr 2023

    120
    As shown in the figure, a plane mirror is fixed at a height of 50 cm50\text{ }cm from the bottom of tank containing water (μ=43)\left( \mu =\frac{4}{3} \right). The height of water in the tank is 8 cmcm. A small bulb is placed at the bottom of the water tank. The distance of image of the bulb formed by mirror from the bottom of the tank is____ cmcm.
  2. Question 2

    Semiconductor Electronics. Asked once: 29 Jan 2025

    93
    The truth table for the circuit given below is :

    Tap an option to check your answer.

  3. Question 3

    System of Particles and Rotational Motion. Asked once: 13 Apr 2023

    11
    A disc is rolling without slipping on a surface. The radius of the disc is RR. At t=0t = 0, the top most point on the disc is AA as shown in figure. When the disc completes half of its rotation, the displacement of point A from its initial position is

    Tap an option to check your answer.

  4. Question 4

    Thermodynamics. Asked once: 25 Jul 2022

    7
    A certain amount of gas of volume VV at 27∘C27^{\circ}C temperature and pressure 2×107Nm−22 \times10^{7}Nm^{- 2} expands isothermally until its volume gets doubled. Later it expands adiabatically until its volume gets redoubled. The final pressure of the gas will be (Use γ=1.5\gamma = 1.5 )

    Tap an option to check your answer.

  5. Question 5

    Units and Measurements. Asked once: 11 Apr 2023

    17
    Given below are two statements: Statements I: Astronomical unit (Au). Parsec (Pc) and Light year (ly) are units for measuring astronomical distances. Statements II: Au<Au < Parsec (Pc)<(Pc) < ly In the light of the above statements. choose the most appropriate answer from the options given below:

    Tap an option to check your answer.