PYQ Vault
EbooksTutor

Day 260: JEE Mains Physics

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

  1. Question 1

    Wave Optics. Asked once: 21 Jan 2026 S1 (same type asked 7 times) See all 7 of this type

    11
    In a double slit experiment the distance between the slits is 0.1 cm and the screen is placed at 50 cm from the slits plane. When one slit is covered with a transparent sheet having thickness tt and refractive index n(=1.5)n( = 1.5), the central fringe shifts by 0.2 cm. The value of t is ____\_\_\_\_ cm.

    Tap an option to check your answer.

  2. Question 2

    Oscillations. Asked once: 27 Jan 2024 (same type asked 7 times) See all 7 of this type

    27
    A particle executes simple harmonic motion with an amplitude of 4 cm. At the mean position, velocity of the particle is 10 cm/s. The distance of the particle from the mean position when its speed becomes 5 cm/s5\text{ }cm/s is αcm\sqrt{\alpha}cm, where α=\alpha = ________ .

  3. Question 3

    Electromagnetic Induction. Asked once: 6 Apr 2023 (same type asked 7 times) See all 7 of this type

    116
    Two concentric circular coils with radii 1 cm1\text{ }cm and 1000 cm1000\text{ }cm, and number of turns 10 and 200 respectively are placed coaxially with centers coinciding. The mutual inductance of this arrangement will be ___×10−8H\_\_\_ \times10^{- 8}H.

  4. Question 4

    Moving Charges and Magnetism. Asked once: 5 Apr 2024 (same type asked 7 times) See all 7 of this type

    98
    The electrostatic force (F→1)\left( {\overrightarrow{F}}_{1} \right) and magnetic force (F→2)\left( {\overrightarrow{F}}_{2} \right) acting on a charge qq moving with velocity vv can be written:

    Tap an option to check your answer.

  5. Question 5

    Electromagnetic Induction. Asked once: 1 Feb 2024 (same type asked 7 times) See all 7 of this type

    117
    A coil of 200 turns and area 0.20 m20.20{\text{ }m}^{2} is rotated at half a revolution per second and is placed in uniform magnetic field of 0.01 T0.01\text{ }T perpendicular to axis of rotation of the coil. The maximum voltage generated in the coil is 2πβ\frac{2\pi}{\beta} volt. The value of β\beta is______