JEE Main Physics: Wave Optics Practice Questions

13 questions with answers and step-by-step solutions. Tap any question to see the full worked solution.

  1. Q1.
    In Youngs double slit experiment, the fringe width is given by beta equals lambda D divided by d. If the distance between the slits is doubled, what happens to
    Easy
  2. Q2.
    Which of the following phenomena is used to explain the rectilinear propagation of light in the wave theory of light?
    Easy
  3. Q3.
    What is the condition for constructive interference in terms of path difference delta x for light waves of wavelength lambda?
    Easy
  4. Q4.
    Brewsters law states that the tangent of the polarizing angle is equal to the refractive index of the medium. If the refractive index is root 3, what is the pol
    Easy
  5. Q5.
    When light travels from a rarer medium to a denser medium, what happens to its frequency?
    Easy
  6. Q6.
    In a Youngs double slit experiment, the distance between the slits is 0.1 mm and the screen is 1 m away. If the wavelength of light used is 500 nm, what is the
    Medium
  7. Q7.
    A beam of unpolarized light of intensity I passes through two polarizers. The first polarizer has its transmission axis at 30 degrees to the vertical, and the s
    Medium
  8. Q8.
    In a single slit diffraction experiment, the width of the slit is 0.2 mm and the screen is 2 m away. If the wavelength of light is 600 nm, what is the width of
    Medium
  9. Q9.
    Two coherent sources of light have intensities in the ratio 16:1. If they interfere, what is the ratio of the maximum to minimum intensity?
    Medium
  10. Q10.
    At what angle of incidence should a light ray strike a glass plate of refractive index 1.5 so that the reflected light is completely polarized?
    Medium
  11. Q11.
    In a Youngs double slit experiment, the slits are separated by 0.28 mm and the screen is placed 1.4 m away. The distance between the central bright fringe and t
    Hard
  12. Q12.
    Two polaroids are placed in the path of a beam of unpolarized light of intensity I0. The angle between their transmission axes is 30 degrees. If a third polaroi
    Hard
  13. Q13.
    In a Michelson interferometer, one mirror is moved by 0.05 mm. If the wavelength of the light used is 500 nm, how many fringes will shift across the field of vi
    Hard

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Wave Optics — JEE Main Physics Practice Questions with Solutions | SolveGini