Question

The spectrum of a light source has two lines with lB =504nm(blue) and λR = 672 nm (red). This light is used to illuminate a 2-cm long diffraction grating. The first order (m=1) (1) diffracted blue line is observed at θB =14 . (a) Find the spacing between the rulings of the grating. (b) Specify the diffraction angles of the blue and red lines for the first two orders. (c) How many lines will be observed for each color?

Answer #1

You have a diffraction grating with 3000 lines/cm. You also have
a light source that emits light at 2 different wavelengths, 428 nm
and 707 nm, at the same time. The screen for your experiment is 1.5
meters from the diffraction grating.
A. What is the line spacing for the grating?
B. What is the difference in the angle of the 2nd bright fringe
for each wavelength for this grating?
C. Which wavelength is closer to the center of the...

The hydrogen spectrum includes a red line at 656 nm and a
blue-violet line at 434 nm. What are the angular separations
between these two spectral lines for all visible orders obtained
with a diffraction grating that has 4 620 grooves/cm? (In this
problem assume that the light is incident normally on the
gratings.)
first order separation
This is the angle that the red line makes with the normal to the
grating. The problem asks for the angular separation between...

Light from a hydrogen source is incident on a diffraction
grating. The incident light contains four wavelengths: λl = 410.1
nm, λ2 = 434.0 nm, λ3 = 486.1 nm, and λ4 = 656.3 nm. The
diffraction grating has 410 lines/mm. Calculate the angles between:
λl and λ4 in the first-order spectrum λl and λ3 in the third-order
spectrum

The spectrum of light from heated up hydrogen gas has only a few
wavelengths present. These are known as spectral lines. It includes
a red line at 656 nm and a blue-violet line at 434 nm. What are the
angular separations between these two spectral lines for all
visible orders obtained with a diffraction grating that has 4770
grooves/cm? (In this problem assume that the light is incident
normally on the grating.)
I'm having trouble with this question as I'm...

The hydrogen spectrum has a red line at 656 nm and a violet line
at 434 nm. What angular separation between these two spectral lines
is obtained with a diffraction grating that has 4440 lines/cm?
(Assume that the light is incident normally on the grating.)
first order
separation
°
second order
separation
°
third order
separation
°
The hydrogen spectrum has a red line at 656 nm and a violet line
at 434 nm. What angular separation between these two...

Light with a wavelength of 540 nm is incident on a diffraction
grating that has 8500 lines/cm.
a) What is the spacing of the slits?
b) Calculate the angles of the first two maxima.

The wavelengths of the four visible lines in the Balmer series
of light emitted by a hydrogen gas-discharge lamp are equal to
656.279 nm, 486.135 nm, 434.0472 nm and 410.1734 nm. A diffraction
grating of width 1 cm has 2000 lines. It is used to measure the
four visible wavelengths. (a) Determine the first-order diffraction
angles of these four lines. (b) What is the angular width of each
one of the four lines. (c) How many orders could be observed...

The two most prominent wavelengths in the light emitted by a
hydrogen discharge lamp are 656 nm(red) and 486 nm (blue). Light
from a hydrogen lamp illuminates a diffraction grating with 500
lines/mm , and the light is observed on a screen 1.3 m behind the
grating.
What is the distance between the first-order red and blue
fringes? Answer in terms of cm
Express your answer to two significant figures and include the
appropriate units.

The two most prominent wavelengths in the light emitted by a
hydrogen discharge lamp are 656 nm (red) and 486 nm (blue). Light
from a hydrogen lamp illuminates a diffraction grating with 550
lines/mm , and the light is observed on a screen 1.7 m behind the
grating.
What is the distance between the first-order red and blue
fringes?

The two most prominent wavelengths in the light emitted by a
hydrogen discharge lamp are 656 nm(red) and 486 nm (blue). Light
from a hydrogen lamp illuminates a diffraction grating with 500
lines per mm, and the light is observed on a screen 1.50 m behind
the grating.
What is the distance between the first-order red and blue
fringes?

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 6 minutes ago

asked 9 minutes ago

asked 21 minutes ago

asked 33 minutes ago

asked 39 minutes ago

asked 53 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago