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Day 175: JEE Mains Physics

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

  1. Question 1

    Motion in a Plane. Asked once: 24 Jan 2025 (same type asked 4 times) See all 4 of this type

    83
    The position vector of a moving body at any instant of time is given as r→=(5t2i^−5tj^)m\overrightarrow{r}=\left( 5t^{2}\widehat{i}- 5t\widehat{j} \right)m. The magnitude and direction of velocity at t=2 st= 2\text{ }s is,

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  2. Question 2

    Motion in a Plane. Asked once: 10 Apr 2023 (same type asked 4 times) See all 4 of this type

    4
    The range of the projectile projected at an angle of 15∘15^{\circ} with horizontal is 50 m50\text{ }m. If the projectile is projected with same velocity at an angle of 45∘45^{\circ} with horizontal, then its range will be:

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  3. Question 3

    Work, Energy and Power. Asked once: 7 Apr 2025 (same type asked 4 times) See all 4 of this type

    18
    An object of mass 1000 g experiences a time dependent force F→=(2ti^+3t2j^)N\overrightarrow{F}=\left( 2t\widehat{i}+ 3t^{2}\widehat{j} \right)N. The power generated by the force at time t is :

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  4. Question 4

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

    103
    Five charges +q,+5q,−2q,+3q+ q, + 5q, - 2q, + 3q and −4q- 4q are situated as shown in the figure. The electric flux due to this configuration through the surface SS is :

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  5. Question 5

    Ray Optics. Asked once: 24 Jan 2026 S1 (same type asked 4 times) See all 4 of this type

    6
    The exit surface of a prism with refractive index nn is coated with a material having refractive index n2\frac{n}{2}. When this prism is set for minimum angle of deviation it exactly meets the condition of critical angle. The prism angle is ____\_\_\_\_

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