NEET Physics Wave Optics Class 12 Questions

In a double slit experiment the angular width of a fringe is found to be 0.2° on a screen placed 1 m away. The wavelength of light used is 600 nₘ. The angular width of the fringe if entire experimental apparatus is immersed in water, is Take μ_water = 4/3

The interference pattern is obtained with two coherent light sources of intensity ratio n. In the interference pattern, the ratio $\frac{I_{\text{max}} - I_{\text{min}}}{I_{\text{max}} + I_{\text{min}}}$ will be:

The width of fringe is 2 mm on the screen in a double slit experiment for the light of wavelength of 400 nₘ. The width of the fringe for the light of wavelength 600 nₘ will be:

Two light beams of intensities in the ratio of 9 : 4 are allowed to interfere. The ratio of the intensity of maxima and minima will be:

In Young's double slit experiment, the slits are 2 mm apart and are illuminated by photons of two wavelengths $\lambda_1 = 12000 \text{ Å}$ and $\lambda_2 = 10000 \text{ Å}$. At what minimum distance from the common central bright fringe on the screen 2 m from the slit will a bright fringe from one interference pattern coincide with a bright fringe from the other?

A Young's double-slit experimental set up is kept in a medium of refractive index 4/3. Which maxima in this case will coincide with the $6^{th}$ maxima obtained if the medium is replaced by air?

A monochromatic light of frequency 500 THz is incident on the slits of a Young's double slit experiment. If the distance between the slits is 0.2 mm and the screen is placed at a distance 1 m from the slits, the width of 10 fringes will be:

In Young’s double slit experiment, light of wavelength λ passes through the double-slit and forms interference fringes on a screen 1.2 m away. If the difference between $3^{rd}$ order maximum and $3^{rd}$ order minimum is 0.18 cm and the slits are 0.02 cm apart, then λ is

Calculate the energy in joule corresponding to light of wavelength 45 nₘ. (Planck's constant, h = 6.63 × 10⁻³⁴ J/s, speed of light, c = 3 × 10⁸ m s⁻¹)

What condition leads to constructive interference in a wave system?

What happens to the frequency of a wave when it is refracted into a denser medium?

What happens to the frequency of a wave when it is refracted into a denser medium?

What condition must be met for constructive interference to occur at a point P from two coherent sources S1 and S2?

What is the law that states the angles of incidence and reflection are equal when a plane wave is reflected by a surface?

What is defined as a surface of constant phase in wave optics?

What is defined as a surface of constant phase in wave optics?

What phenomenon occurs when waves from different sources combine in Young's Double Slit experiment?

What phenomenon is primarily responsible for the pattern observed in Young's Double Slit experiment?

What describes the behavior of wavefronts as they undergo reflection according to the principles of wave optics?

What happens to the intensity of light when it passes through two polaroids with their pass-axes at 90 degrees to each other?

What type of wave is generated when the string vibrates in the x-y plane?

What is the condition for destructive interference to occur at a point in the interference pattern?

What is the shape of the wavefront at time t, as determined by Huygens Principle?

What is the condition for destructive interference at a point P due to two coherent sources S1 and S2?

What is defined as a surface of constant phase in wave optics?

What phenomenon explains the behavior of light spreading out from narrow slits in Young's Double Slit experiment?

What is the crucial new feature of waves that is demonstrated in Young's double slit experiment?

What remains constant during the refraction of a wave across different media?

What remains constant when a wave is refracted into a denser medium?

What is the condition for destructive interference in terms of path difference between two coherent sources?

What phenomenon is primarily responsible for the visibility of interference patterns in Young's Double Slit experiment?

According to Huygens' Principle, what is defined as a surface of constant phase?

What phenomenon explains the spreading of light from a narrow slit in Young's Double Slit experiment?

What defines a wavefront according to Huygens Principle?

Which of the following statements about the behavior of light in wave optics is correct?

Which of the following statements about wave optics is correct?

Which of the following statements about interference are correct?

Which of the following combinations about interference are correct?

Which of the following statements regarding Huygens' Principle is correct?

Which of the following statements about Young's Double Slit experiment is correct?

Which of the following statements about Young's double slit experiment is correct?

Which combinations accurately describe Huygens Principle?

Which of the following statements about interference of light waves is correct?

Which of the following statements about light interference is correct?

In Young's Double Slit experiment, which of the following statements are correct?

Which of the following statements about the interference of waves from two coherent sources is correct?

Which combination of statements about Huygens' Principle is correct?

Which of the following statements about wave optics and polarization is correct?

Which of the following statements about the behavior of light through polaroids is correct?

Which of the following statements about interference of light waves is correct?