Question

Which of the following make the separation between fringes greater in the two slit interference experiment? (Select all that apply.)

Wider slits.Smaller separation of the two slits.Larger separation of the two slits.Narrower slits.

**PRACTICE IT**

Use the worked example above to help you solve this problem. A
screen is separated from a double-slit source by 1.22 m. The
distance between the two slits is 0.0292 mm. The second-order
bright fringe (*m* = 2) is measured to be 4.60 cm from the
centerline.

**(a)** Determine the wavelength of the
light.

nm

**(b)** Determine the distance between adjacent bright
fringes.

cm

**EXERCISE****HINTS: GETTING
STARTED | I'M STUCK!**

Suppose the same experiment is run with a different light
source. If the first-order maximum is found at 2.00 cm from the
centerline, what is the wavelength of the light?

*λ* = nm

Answer #1

A double-slit experiment produces an interference pattern on a
screen 2.8 m away from slits. Light of wavelength λ= 460 nm falls
on the slits from a distant source. The distance between adjacent
bright fringes is 6.2 mm.
A) Find the distance between the two slits
B) Determine the distance to the 6th order dark fringe from the
central fringe

A double slit experiment produces an interference pattern on a
screen 2.8 m away from the slits. Light of wavelength = 480 nm
falls on the slits from a distant source. The distance between
adjacent bright fringes is 5.8 mm.
a) find the distance between the two slits. Express your answer
using 3 significant figures.
b) determine the distance to the 6th order dark fringe from the
central fringe. Express your answer using three significant
figures.

A double-slit experiment produces an interference pattern on a
screen 2.8 m m away from slits. Light of wavelength λ= 520 nm n m
falls on the slits from a distant source. The distance between
adjacent bright fringes is 7.2 mm m m . Part A Find the distance
between the two slits. Express your answer using three significant
figures. Part B Determine the distance to the 5th order dark fringe
from the central fringe. Express your answer using...

In a double-slit experiment, the second-order bright fringe is
observed at an angle of 0.51°. If the slit separation is 0.11 mm,
then what is the wavelength of the light?
_____???
Two narrow slits are illuminated by a laser with a wavelength of
514 nm. The interference pattern on a screen located x = 4.60 m
away shows that the third-order bright fringe is located y = 9.00
cm away from the central bright fringe. Calculate the distance
between the...

In a double-slit experiment, the distance between slits is
0.5.0 mm and the slits are 2.0 m from the screen. Two interference
patterns can be seen on the screen: one due to light of wavelength
480 nm, and the other due to light of wavelength 600 nm. What is
the separation on the screen between the second -order (m
= 3) bright fringes of the two interference patterns?(show the ray
diagrams)

A double slit interference experiment is submerged in alcohol (n
= 1.3736). On the detecting screen the distance between the zeroth
and first order bright fringes is 1.52 cm. The distance to the
screen from the slits is 2.7225 meters. The light has a wavelength
in air of 615.6 nm. Find the distance between the slits.

In a double-slit interference experiment, the slit separation is
2.29 μm, the light wavelength is 532 nm, and the separation between
the slits and the screen is 4.42 m. (a) What is
the angle between the center and the third side bright fringe? If
we decrease the light frequency to 94.8% of its initial value,
(b) does the third side bright fringe move along
the screen toward or away from the pattern's center and
(c) how far does it move?

In Young’s Double Slit Experiment, light of wavelength 550 nm
illuminates two slits which are separated by 0.500 mm. The
separation between adjacent bright fringes on a screen 3.00 m from
the slits is?

A viewing screen is separated from a double-slit source by 1.7m.
The distance between the two slits is 0.035mm. The second order
bright fringe (m=2) is 5.1cm from the center line.
(a) Determine the wavelength of the light.
(b) Calculate the distance between adjacent bright fringes.

A double-slit experiment uses coherent
light of wavelength 633 nm with a slit separation of 0.100 mm and a
screen placed 2.0 m away.
(a) How wide on the screen is the central bright fringe?
(b) What is the distance on the screen between first-order and
second-order bright fringes?
(c) What is the angular separation (in radians) between the
central maximum and the first-order maximum?

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