In YDSE, two slits are separated by `3 mm` and illuminated by light of wavelength `480 nm`. The screen is `2 m` from the plane of slits. Calculate the separation between 8th bright fringe and 3rd dark fringe observed on the same side of central bright fringe.
Text Solution
AI Generated Solution
To solve the problem, we will use the formula for the position of bright and dark fringes in Young's Double Slit Experiment (YDSE).
### Step 1: Understand the positions of bright and dark fringes
In YDSE:
- The position of the m-th bright fringe is given by:
\[
y_m = \frac{m \lambda D}{d}
\]
...
Topper's Solved these Questions
OPTICS
PRADEEP|Exercise Very short answer question|5 Videos
OPTICS
PRADEEP|Exercise very short answer questions|1 Videos
Two slits 0,125 mm apart are illuminated by light of wavelength 4500 Å . The screen is 1m away, from the plane of the slits. Find the separation between the 2nd bright fringe on both sides of the central maximum.
In Young's experiment, interference pattern is obtained on a screen at a distance of 1 m from slits separated by 0.05 cm and illuminated by sodium light of wavelength 5893 Å . Calculate distance between 4th bright fringe on one side and 3rd bright fringe on other side of central bright fringe.
Two slits are separated by 2.00 xx 10^(-5) m. They are illuminated by light of wavelength 5.60 xx 10^(-7) m. If the distance from the slits to the screen is 6.00 m, what is the separation between the central bright fringe and the third dark fringe?
A single slit of width 0.20mm is illuminated with light of wavelength 500nm . The observing screen is placed 80cm from the slit. The width of the central bright fringe will be
A single slit of width 0.20 mm is illuminated with light of wavelength 500 nm . The observing screen is placed 80 cm from the slit. The width of the central bright fringe will be
The two slits are 1 mm apart from each other and illuminated with a light of wavelength 5xx10^(-7) m. If the distance of the screen is 1 m from the slits, then the distance between third dark fringe and fifth bright fringe is
Light of wavelength 6000Å is incident on a slit of width 0.30 mm. The screen is placed 2 m from the slit. Find (a) the position of the first dark fringe and (b). The width of the central bright fringe.
Two slits separated by a distance of 1 mm are illuminated with red light of wavelength 6.5xx10^(-7) m. The interference firnges are observed on a screen placed 1 m form the slits. The distance between third bright firnge and the fifth dark fringe on the same side is equal to
A young's double slit apparatus is immerged in a liquid of refractive index 4/3 . It has slit separation of 1mm and interference pattern is observed on the screen at a distance 4/3 m from plane of slits. The wavelength in air is 6300 Å Find the distance of seventh bright fringe from third bright fringe lying on the same side of central bright fringe