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Day 258: JEE Mains Physics

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

  1. Question 1

    Gravitation. Asked once: 31 Jan 2024 (same type asked 8 times) See all 8 of this type

    106
    The mass of the moon is 1/1441/144 times the mass of a planet and its diameter 1/161/16 times the diameter of a planet. If the escape velocity on the planet is vv, the escape velocity on the moon will be:

    Tap an option to check your answer.

  2. Question 2

    Wave Optics. Asked once: 6 Apr 2024 (same type asked 8 times) See all 8 of this type

    118
    Two coherent monochromatic light beams of intensities II and 4I4I are superimposed. The difference between maximum and minimum possible intensities in the resulting beam is xx I. The value of xx is_____ .

  3. Question 3

    Moving Charges and Magnetism. Asked once: 8 Apr 2023 (same type asked 8 times) See all 8 of this type

    28
    The magnetic intensity at the centre of a long current carrying solenoid is found to be 1.6×103Am−11.6 \times10^{3}Am^{- 1}. If the number of turns is 8 per cmcm, then the current flowing through the solenoid is ____\_\_\_\_ A.

  4. Question 4

    Mechanical Properties of Fluids. Asked once: 21 Jan 2026 S2 (same type asked 7 times) See all 7 of this type

    22
    The terminal velocity of a metallic ball of radius 6 mm in a viscous fluid is 20 cm/s20\text{ }cm/s. The terminal velocity of another ball of same material and having radius 3 mm in the same fluid will be ____\_\_\_\_ cm/scm/s.

  5. Question 5

    Motion in a Plane. Asked once: 29 Jan 2025 (same type asked 7 times) See all 7 of this type

    2
    Two projectiles are fired with same initial speed from same point on ground at angles of (45∘−α)\left( 45^{\circ}- \alpha \right) and (45∘+α)\left( 45^{\circ}+ \alpha \right), respectively, with the horizontal direction. The ratio of their maximum heights attained is :

    Tap an option to check your answer.