If the monochromatic source in Young's double | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) In Young's double slit experiment,the path difference at the central point on the screen is zero for all wavelengths present in white light.Since

Vedclass · Accepted Answer

There will be a central bright white fringe surrounded by a few coloured fringes

Vedclass · Answer

(B) In Young's double slit experiment,the path difference at the central point on the screen is zero for all wavelengths present in white light.Since the condition for constructive interference is $\Delta x = n\lambda$,for $n=0$,the path difference is zero regardless of the wavelength $\lambda$.Therefore,all colors overlap at the central point,resulting in a central bright white fringe.For other fringes,the fringe width is given by $\beta = \frac{\lambda D}{d}$. Since $\beta$ depends on the wavelength $\lambda$,different colors will form fringes at different positions,resulting in a few coloured fringes surrounding the central white fringe.

If the monochromatic source in Young's double slit experiment is replaced by white light,then

Similar Questions

In a Young's double slit experiment,the fringe width is found to be $0.4 \, mm$. If the whole apparatus is immersed in water of refractive index $4/3$ without disturbing the geometrical arrangement,the new fringe width will be

In Young's double slit experiment,the slits are horizontal. The intensity at a point $P$ on the screen is $\frac{I_0}{4}$,where $I_0$ is the maximum intensity. If the distance between the two slits $S_1$ and $S_2$ is $d = 2 \lambda$,then the value of $\theta$ is:

In a Young's 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 the fourth bright fringe is measured to be $1.2 \; cm$. Determine the wavelength of light used in the experiment (in $nm$).

In an interference pattern,the fringe width is $\beta$. If the frequency of the source is doubled,the fringe width becomes .....

Vedclass Test Series

Exam Paper Generator

Online Exam Module