In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less...
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 520 nm.
A. What is the work function of this material?
B. What stopping voltage is required if light of wavelength 410 nm is used?
Homework Answers
Add Answer to:
In a photoelectric-effect experiment it is observed that no
current flows unless the wavelength is less...
Constants In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is...
Constants In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 570 nm. What stopping voltage is required if light of wavelength 430 nm is used? Express your answer to three significant figures and include the appropriate units.
in a photoelectric-effect experiment, it is found out that no current flows unless the wavelength is...
in a photoelectric-effect experiment, it is found out that no current flows unless the wavelength is less than 445nm.(a) what is the work function of this material?(b) find the maximum speed of the ejected electrons if the wavelength is changed to (i) 456nm (ii) 342nm
Part b <Ch 37 HW Problem 37.16 What is the work function of this material? Express...
Part b
<Ch 37 HW Problem 37.16 What is the work function of this material? Express your answer using two significant figures In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 500 nm Wo 25 eV Correct Part B What is the stopping voltage required ilight of wavelength 430 nm is used? Express your answer using two significant figures. Vo= 10.74 Submit Previous Answers Request Answer
In an experiment, a current only flows through a material if the wavelength of light hitting...
In an experiment, a current only flows through a material if the wavelength of light hitting the material is less than 562 nm. What is the work function of the metal? 2.21 eV 2.53 eV 2.01 eV 2.31 eV
Violet light of wavelength 400 nm is used in a photoelectric effect experiment that involves directing...
Violet light of wavelength 400 nm is used in a photoelectric effect experiment that involves directing the light source at calcium that has a work function of 4.6 x 10-19 J. Determine if any electrons are emitted, and if they are, determine their maximum kinetic energy.
Problem (8 points) For the Photoelectric Effect experiment shown, when ultraviolet light with a wavelength of...
Problem (8 points) For the Photoelectric Effect experiment shown, when ultraviolet light with a wavelength of 240 nm shines on a particular metal plate, electrons are emitted from plate 1, crossing the gap to plate 2 and causing a current to flow through the wire connecting the two plates. The battery voltage is gradually increased until the current in the ammeter drops to zero, at which point the battery voltage is 1.40 V plate 2 AV incident ◇e electrons Tammeter...
please explain c & d 11. The cutoff wavelength for the photoelectric effect in a certain...
please explain c & d
11. The cutoff wavelength for the photoelectric effect in a certain metal is 254nm. a) What is the magnitude of the work function? b) Will the photoelectric effect be observed for wavelength greater than 254nm or for wavelength less than 254 nm? c) What is the kinetic energy of the electrons emitted if 300nm photons shine on this metal? d) What is the kinetic energy of the electrons emitted if photons of 200nm shine on...
10) A photoelectric effect experiment is done using light of some wavelength 2. The photoelectrons are...
10) A photoelectric effect experiment is done using light of some wavelength 2. The photoelectrons are observed to have a maximum kinetic energy of 7.0 eV. If the experiment is repeated using light of twice that wavelength (22 =221), on the same metal, it is found that the maximum electron kinetic energy is 2 eV. What is the work function of the metal?
Two light sources are used in a photoelectric experiment to determine the work function for a...
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. When green light from a mercury lamp (A 546.1 nm) is used, a stopping potential of 0.802 V reduces the photocurrent to zero. (a) Based on this measurement, what is the work function for this metal? eV (b) What stopping potential would be observed when using light from a red lamp (A 686.0 nm)? V
Two light sources are used in a photoelectric experiment to determine the work function for a...
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. When green light from a mercury lamp (λ = 546.1 nm) is used, a stopping potential of 0.914 V reduces the photocurrent to zero. (a) Based on this measurement, what is the work function for this metal? eV (b) What stopping potential would be observed when using light from a red lamp (λ = 663.0 nm)? V
Constants In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 570 nm. What stopping voltage is required if light of wavelength 430 nm is used? Express your answer to three significant figures and include the appropriate units.
Part b
<Ch 37 HW Problem 37.16 What is the work function of this material? Express your answer using two significant figures In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 500 nm Wo 25 eV Correct Part B What is the stopping voltage required ilight of wavelength 430 nm is used? Express your answer using two significant figures. Vo= 10.74 Submit Previous Answers Request Answer
Problem (8 points) For the Photoelectric Effect experiment shown, when ultraviolet light with a wavelength of 240 nm shines on a particular metal plate, electrons are emitted from plate 1, crossing the gap to plate 2 and causing a current to flow through the wire connecting the two plates. The battery voltage is gradually increased until the current in the ammeter drops to zero, at which point the battery voltage is 1.40 V plate 2 AV incident ◇e electrons Tammeter...
please explain c & d
11. The cutoff wavelength for the photoelectric effect in a certain metal is 254nm. a) What is the magnitude of the work function? b) Will the photoelectric effect be observed for wavelength greater than 254nm or for wavelength less than 254 nm? c) What is the kinetic energy of the electrons emitted if 300nm photons shine on this metal? d) What is the kinetic energy of the electrons emitted if photons of 200nm shine on...
10) A photoelectric effect experiment is done using light of some wavelength 2. The photoelectrons are observed to have a maximum kinetic energy of 7.0 eV. If the experiment is repeated using light of twice that wavelength (22 =221), on the same metal, it is found that the maximum electron kinetic energy is 2 eV. What is the work function of the metal?
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. When green light from a mercury lamp (A 546.1 nm) is used, a stopping potential of 0.802 V reduces the photocurrent to zero. (a) Based on this measurement, what is the work function for this metal? eV (b) What stopping potential would be observed when using light from a red lamp (A 686.0 nm)? V
Most questions answered within 3 hours.
-
Learning Outcomes:
Upon the successful completion of this module, you should
understand the following concepts:
Strategic...
asked 1 minute from now -
A 0.2m diameter ball with an initial velocity of 8m/s rolls up a
hill without slipping....
asked 6 minutes ago -
Identify four of the five major types of organizations within
the federal bureaucracy, and give examples...
asked 6 minutes ago -
The following data have been obtained
for the effect of solvent composition on the solubility of...
asked 6 minutes ago -
Our ability to see distinct edges as well as our errors in
contrast perceptions (e.g., seeing...
asked 25 minutes ago -
Two buckets of mass 17.1 kg and 11.3 kg are attached to the ends
of a...
asked 18 minutes ago -
A laser used in LASIK eye surgery produces 50 pulses per second.
The wavelength is 192...
asked 16 minutes ago -
Smith Inc. recently reported operating income of $2.75 million,
depreciation of $1.20 million, and had a...
asked 16 minutes ago -
A
nurse is trying to understand the structure and chain of command of
a healthcare organization....
asked 19 minutes ago -
A company is interested in estimating the costs of lunch
in their cafeteria. After surveying employees,...
asked 23 minutes ago -
A woman expends 94 kJ of energy in walking a kilometer. The
energy is supplied by...
asked 34 minutes ago -
you want to measure the gravitational acceleration at your
location. since g does not vary significantly...
asked 39 minutes ago