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Day 182: JEE Mains Physics

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

  1. Question 1

    Laws of Motion. Asked once: 1 Feb 2023 (same type asked 4 times) See all 4 of this type

    108
    As shown in the figure a block of mass 10 kg10\text{ }kg lying on a horizontal surface is pulled by a force FF acting at an angle 30∘30^{\circ}, with horizontal. For μs=0.25\mu_{s}= 0.25, the block will just start to move for the value of FF : [Given g=10 ms−2g = 10{\text{ }ms}^{- 2} ]

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  2. Question 2

    Motion in a Plane. Asked once: 5 Apr 2024 (same type asked 4 times) See all 4 of this type

    97
    A particle moves in x−yx - y plane under the influence of a force F→\overrightarrow{F} such that its linear momentum is P→(t)=i^cos⁡(kt)−j^sin⁡(kt)\overrightarrow{P}(t) =\widehat{i}\cos(kt) -\widehat{j}\sin(kt). If kk is constant, the angle between F→\overrightarrow{F} and P→\overrightarrow{P} will be:

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  3. Question 3

    Mechanical Properties of Fluids. Asked once: 9 Apr 2024 (same type asked 4 times) See all 4 of this type

    99
    The excess pressure inside a soap bubble is thrice the excess pressure inside a second soap bubble. The ratio between the volume of the first and the second bubble is :

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  4. Question 4

    Moving Charges and Magnetism. Asked once: 26 Jun 2022 (same type asked 4 times) See all 4 of this type

    14
    A proton and an alpha particle of the same speed enter in a uniform magnetic field which is acting perpendicular to their direction of motion. The ratio of the radii of the circular paths described by the alpha particle and proton is:

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  5. Question 5

    Moving Charges and Magnetism. Asked once: 30 Jan 2024 (same type asked 4 times) See all 4 of this type

    21
    The horizontal component of earth's magnetic field at a place is 3.5×10−5 T3.5 \times10^{- 5}\text{ }T. A very long straight conductor carrying current of 2A\sqrt{2}A in the direction from South east to North West is placed. The force per unit length experienced by the conductor is ………×10−6 N/m\ldots\ldots\ldots \times10^{- 6}\text{ }N/m.