۱۰٥ من ۱۰۰Quiz:Q!) Parallel rays of green mercury light with a wavelength of 546 nmpass through a slit covering a lens with a focal length of 60.0 cm. Inthe focal plane of the lens the distance from the central maximum tothe first minimum is 10.2mm. What is the width of the slit?Q2) The photoelectric threshold wavelength of a tungsten surface is272nm. Calculate the maximum kinetic energy of the electronsejected from this tungsten surface by ultraviolet radiation offrequency 1.45 x 1015 Hz. Express the answer in electron volts.(Note: Assume the h 6.63*10-34 J.s).sameer hamoodi6:16p äc luli 21.07.01

Given data: Wavelength =546 nm Focal length x =60 cm =0.6m Distance y=10.2mm =0.0102m

Q!) Parallel rays of green mercury light with a wavelength of 546 nm pass through a slit covering a lens with a focal length of 60.0 cm. In the focal plane of the lens the distance from the central maximum to the first minimum is 10.2mm. What is the width of the slit?

Q!) Parallel rays of green mercury light with a wavelength of 546 nm pass through a slit covering a lens with a focal length of 60.0 cm. In the focal plane of the lens the distance from the central maximum to the first minimum is 10.2mm. What is the width of the slit?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 74P: An X-ray scattering experiment is performed on a crystal whose atoms form planes separated by 0.440...

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

۱۰٥ من ۱۰۰
Quiz:
Q!) Parallel rays of green mercury light with a wavelength of 546 nm
pass through a slit covering a lens with a focal length of 60.0 cm. In
the focal plane of the lens the distance from the central maximum to
the first minimum is 10.2mm. What is the width of the slit?
Q2) The photoelectric threshold wavelength of a tungsten surface is
272nm. Calculate the maximum kinetic energy of the electrons
ejected from this tungsten surface by ultraviolet radiation of
frequency 1.45 x 1015 Hz. Express the answer in electron volts.
(Note: Assume the h 6.63*10-34 J.s).
sameer hamoodi
6:16p äc luli 21.07.01

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