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Day 26: JEE Mains Physics

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

  1. Question 1

    Motion in a Straight Line. This type asked 5 times: 2021 Paper 20, 25 Jul 2022, 11 Apr 2023, 1 Feb 2024, 7 Apr 2025. This one: 7 Apr 2025 See all 5 of this type

    94
    An object with mass 500 g moves along x -axis with speed v=4x m/sv = 4\sqrt{x}\text{ }m/s. The force acting on the object is :

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  2. Question 2

    Nuclei. This type asked 5 times: 26 Jul 2022, 29 Jul 2022, 25 Jan 2023, 30 Jan 2023, 7 Apr 2025. This one: 7 Apr 2025 See all 5 of this type

    77
    Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The density of the copper ( 2964Cu)\left( \ _{29}^{64}Cu \right) nucleus is greater than that of the carbon ( 612C)\left( \ _{6}^{12}C \right) nucleus. Reason (R) : The nucleus of mass number A has a radius proportional to A1/3A^{1/3}. In the light of the above statements, choose the most appropriate answer from the options given below:

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  3. Question 3

    Wave Optics. This type asked 5 times: 25 Jun 2022, 27 Jul 2022, 29 Jul 2022, 31 Jan 2024, 7 Apr 2025. This one: 7 Apr 2025 See all 5 of this type

    2
    Two plane polarized light waves combine at a certain point whose electric field components areE1=E0sin⁡ωtE2=E0sin⁡(ωt+π3)\begin{matrix} & E_{1}=E_{0}\sin\omega t \\ & E_{2}=E_{0}\sin\left( \omega t+\frac{\pi}{3} \right) \end{matrix}.Find the amplitude of the resultant wave.

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  4. Question 4

    Alternating Current. This type asked 5 times: 25 Jun 2022, 27 Jul 2022, 29 Jul 2022, 31 Jan 2023, 4 Apr 2025. This one: 4 Apr 2025 See all 5 of this type

    100
    An inductor of self inductance 1 H connected in series with a resistor of 100πohm100\pi ohm and an ac supply of 100π100\pi volt, 50 Hz . Maximum current flowing in the circuit is ____\_\_\_\_ A.

  5. Question 5

    Dual Nature of Radiation and Matter. This type asked 5 times: 2021 Paper 5, 25 Jan 2023, 5 Apr 2024, 29 Jan 2025, 4 Apr 2025. This one: 4 Apr 2025 See all 5 of this type

    10
    Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: In photoelectric effect, on increasing the intensity of incident light the stopping potential increases. Reason R : Increase in intensity of light increases the rate of photoelectrons emitted, provided the frequency of incident light is greater than threshold frequency. In the light of the above statements, choose the correct answer from the options given below

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