PYQ Vault
EbooksTutor

Day 549: JEE Mains Physics

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

  1. Question 1

    Laws of Motion. Asked once: 25 Jan 2023

    6
    An object of mass 8 kg8\text{ }kg hanging from one end of a uniform rod CDCD of mass 2 kg2\text{ }kg and length 1 m1\text{ }m pivoted at its end CC on a vertical wall as shown in figure. It is supported by a cable ABAB such that the system is in equilibrium. The tension in the cable is: (Take g=10 m/s2g = 10\text{ }m/s^{2} )

    Tap an option to check your answer.

  2. Question 2

    Mechanical Properties of Fluids. Asked once: 2021 Paper 6

    4
    What will be the nature of flow of water from a circular tap, when its flow rate increased from 0.18 L/min0.18\text{ }L/min to 0.48 L/min0.48\text{ }L/min ? The radius of the tap and viscosity of water are 0.5 cm0.5\text{ }cm and 10−3 Pa s10^{- 3}\text{ }Pa\text{ }s, respectively. (Density of water: 103 kg/m310^{3}\text{ }kg/m^{3} )

    Tap an option to check your answer.

  3. Question 3

    Motion in a Plane. Asked once: 6 Apr 2023

    9
    Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: When a body is projected at an angle 45∘45^{\circ}, it's range is maximum. Reason RR : For maximum range, the value of sin⁡2θ\sin2\theta should be equal to one. In the light of the above statements, choose the correct answer from the options given below:

    Tap an option to check your answer.

  4. Question 4

    Motion in a Straight Line. Asked once: 29 Jan 2023

    22
    A 0.4 kg0.4\text{ }kg mass takes 8 s8\text{ }s to reach ground when dropped from a certain height ' PP ' above surface of earth. The loss of potential energy in the last second of fall is ____\_\_\_\_ J. (Take g=10 m/s2g = 10\text{ }m/s^{2} )

  5. Question 5

    Oscillations. Asked once: 2021 Paper 19

    19
    If the length of the pendulum in pendulum clock increases by 0.1%0.1\%, then the error in time per day is:

    Tap an option to check your answer.