Question

1. monochromatic light of wavelength 540 nm from a source passes through a slit that is 0.03mm wide. What is the width of the central bright fringe on the diffraction pattern formed on a screen placed at a distance of 2.00 m away from the slit?

2. Light of wavelength 500 nm is incident on a single slit of width 0.02 mm to produce a diffraction pattern with intensity 4.00×10^-4 W/m^2 at the center of a screen placed far away from the slit. Calculate the intensity of the light at a point corresponding to orientation 2.4 degrees

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Answer #1

Monochromatic light of wavelength λ = 595 nm from a distant
source passes through a slit 0.460 mm wide. The diffraction pattern
is observed on a screen 4.00 m from the slit. In terms of the
intensity I0 at the peak of the central maximum, what is the
intensity of the light at the screen the following distances from
the center of the central maximum?
a) 1.00mm
b) 3.00mm
c) 5.00 mm

Monochromatic light of wavelength 466 nm from a distant source
passes through a slit that is 0.0330 mm wide. In the resulting
diffraction pattern, the intensity at the center of the central
maximum (? = 0?) is 1.06×10?4 W/m2 . What is
the intensity at a point on the screen that corresponds to
? = 1.20?.

Red light of wavelength 633 nm from a helium-neon laser passes
through a slit 0.350 mm wide. The diffraction pattern is observed
on a screen 2.55 m away. Define the width of a bright fringe as the
distance between the minima on either side.
a) What is the width of the central bright fringe?
b) What is the width of the first bright fringe on either side
of the central one?

Monochromatic light of wavelength 477 nm from a distant source
passes through a slit that is 0.0310 mm wide. In the resulting
diffraction pattern, the intensity at the center of the central
maximum (θ = 0∘) is 1.28×10−4 W/m2 .
What is the intensity at a point on the screen that corresponds
to θ = 1.20∘. Express your answer to three significant figures and
include the appropriate units.

Light with a wavelength of 633 nm passes through a slit 6.38
?m wide and falls on a screen 1.60 m away. Find the
distance on the screen from the central bright fringe to the third
dark fringe above it. ___ cm
Monochromatic light passes through two slits separated by a
distance of 0.0332 mm. If the angle to the third maximum above the
central fringe is 3.21 degrees, what is the wavelength of the
light? __ nm

Light with a wavelength of 626 nm passes through a slit 7.74
μm wide and falls on a screen 1.75 m away.
Find the linear distance on the screen from the central bright
fringe to the first bright fringe above it. ________cm

A monochromatic light with wavelength 480.0 nm strikes a
pair of narrow slits with spacing
0.100 mm. The first dark fringe is formed on a screen at
a vertical distance of 1.20 cm from the center of a screen placed
in front of the slit.
How far away is the screen placed
What is the distance on the screen from the center of
the interference pattern to the m =
3 bright fringe?
What is the shortest distance from the...

Light with a wavelength of 702 nm passes through a slit 7.50 ?m
wide and falls on a screen 2.05 m away. Find the linear distance on
the screen from the central bright fringe to the first bright
fringe above it. Express your answer to three significant
figures.

1. A slit 1.24 mm wide is illuminated by light of wavelength 530
nm . The diffraction pattern is seen on a screen 2.19 m away Find
the distance between the first two diffraction minima on the same
side of the central maximum in meters.
2. Monochromatic light with wavelength 539 nm fall on a slit
with width 0.016 mm wide. The distance from the slit to a screen is
3.18 m. Consider a point on the screen 1.19cm from...

Light of wavelength 755.0 nm passes through a single slit of
width 2.20 µm, and a diffraction pattern is observed on a screen
24.5 cm away. Determine the relative intensity of light
I/Imax at 14.0 cm away from the
central maximum.
I
Imax
=

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