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Day 181: JEE Mains Physics

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

  1. Question 1

    Wave Optics. Asked once: 22 Jan 2025 (same type asked 4 times) See all 4 of this type

    90
    Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : In Young's double slit experiment, the fringes produced by red light are closer as compared to those produced by blue light. Reason (R) : The fringe width is directly proportional to the wavelength of light. In the light of above statements, choose the correct answer from the options given below :

    Tap an option to check your answer.

  2. Question 2

    Moving Charges and Magnetism. Asked once: 24 Jan 2025 (same type asked 4 times) See all 4 of this type

    78
    Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason(R). Assertion (A) : A electron in a certain region of uniform magnetic field is moving with constant velocity in a straight- line path. Reason (R) : The magnetic field in that region is along the direction of velocity of the electron. In the light of the above statements, choose the correct answer from the options given below :

    Tap an option to check your answer.

  3. Question 3

    Gravitation. Asked once: 25 Jan 2023 (same type asked 4 times) See all 4 of this type

    101
    Every planet revolves around the sun in an elliptical orbit: - A. The force acting on a planet is inversely proportional to square of distance from sun. B. Force acting on planet is inversely proportional to product of the masses of the planet and the sun. C. The Centripetal force acting on the planet is directed away from the sun. D. The square of time period of revolution of planet around sun is directly proportional to cube of semi-major axis of elliptical orbit. Choose the correct answer from the options given below:

    Tap an option to check your answer.

  4. Question 4

    Motion in a Plane. Asked once: 8 Apr 2024 (same type asked 4 times) See all 4 of this type

    119
    A body of mass MM thrown horizontally with velocity vv from the top of the tower of height HH touches the ground at a distance of 100 m100\text{ }m from the foot of the tower. A body of mass 2M2M thrown at a velocity v2\frac{v}{2} from the top of the tower of height 4H4H will touch the ground at a distance of _____ m.

  5. Question 5

    Current Electricity. Asked once: 1 Feb 2024 (same type asked 4 times) See all 4 of this type

    29
    The current in a conductor is expressed as I=3t2+4t3I= 3t^{2}+ 4t^{3}, where II is in Ampere and tt is in second. The amount of electric charge that flows through a section of the conductor during t=1t= 1 s to t=2 st = 2\text{ }s is ____ C.