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Day 603: JEE Mains Physics

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

  1. Question 1

    Electrostatics. Asked once: 8 Apr 2023

    91
    Electric potential at a point ' PP ' due to a point charge of 5×10−9C5 \times10^{- 9}C is 50 V50\text{ }V. The distance of ' PP ' from the point charge is: (Assume, 14πε0=9×10+9Nm2C−2\frac{1}{4\pi\varepsilon_{0}}= 9 \times10^{+ 9}Nm^{2}C^{- 2} )

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  2. Question 2

    Motion in a Plane. Asked once: 2021 Paper 6

    15
    Statement I: A cyclist is moving on an unbanked road with a speed of 7kmh−17kmh^{- 1} and takes a sharp circular turn along a path of radius of 2 m2\text{ }m without reducing the speed. The static friction coefficient is 0.2. The cyclist will not slip and pass the curve (g=9.8 m/s2)\left( g = 9.8\text{ }m/s^{2} \right) Statement II: If the road is banked at an angle of 45∘45^{\circ}, cyclist can cross the curve of 2 m2\text{ }m radius with the speed of 18.5kmh−118.5kmh^{- 1} without slipping. In the light of the above statements, choose the correct answer from the options given below.

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  3. Question 3

    Ray Optics. Asked once: 2021 Paper 17

    2
    The expected graphical representation of the variation of angle of deviation ' δ\delta ' with angle of incidence ' ii ' in a prism is:

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  4. Question 4

    Semiconductor Electronics. Asked once: 11 Apr 2023

    105
    The logic operations performed by the given digital circuit is equivalent to:

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  5. Question 5

    System of Particles and Rotational Motion. Asked once: 2021 Paper 7

    1
    A triangular plate is shown. A force F→=4i^−3j^\overrightarrow{F}= 4\widehat{i}- 3\widehat{j} is applied at point PP. The torque at point PP with respect to point ' OO ' and ' QQ ' are:

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