(a) What is the kinetic energy of the emitted electrons at this frequency? (b) What happens to the kinetic energy of the ejected electrons if the intensity of the lig source is doubled? (c) What voltage from the circuit is required to stop the current produced by the photoelectrons? (d) What is the threshold frequency?
(a) What is the kinetic energy of the emitted electrons at this frequency? (b) What happens to the kinetic energy of the ejected electrons if the intensity of the lig source is doubled? (c) What voltage from the circuit is required to stop the current produced by the photoelectrons? (d) What is the threshold frequency?
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![1. Electromagnetic radiation with a frequency of 8.0 × 10" Hz produces photoelectrons
from a metal with a work function E, of 2 eV and an area of 1 cm?.
(h = 6.64 * 10-34] ·s = 4.15 * 10-15 eV · s)
Incident
light
Anode
(Target material)
Cathode
Electron flow
Ammeter ( A
Voltmeter
V
Battery
Rheostat
(a) What is the kinetic energy of the emitted electrons at this frequency?
(b) What happens to the kinetic energy of the ejected electrons if the intensity of the light
source is doubled?
(c) What voltage from the circuit is required to stop the current produced by the
photoelectrons?
(d) What is the threshold frequency?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7d93dc0d-9ddc-4d81-8cab-aeaa356e3624%2F9d297d70-8ddb-46cf-9593-80a82024e993%2Fwvlb3on_processed.png&w=3840&q=75)
Transcribed Image Text:1. Electromagnetic radiation with a frequency of 8.0 × 10" Hz produces photoelectrons
from a metal with a work function E, of 2 eV and an area of 1 cm?.
(h = 6.64 * 10-34] ·s = 4.15 * 10-15 eV · s)
Incident
light
Anode
(Target material)
Cathode
Electron flow
Ammeter ( A
Voltmeter
V
Battery
Rheostat
(a) What is the kinetic energy of the emitted electrons at this frequency?
(b) What happens to the kinetic energy of the ejected electrons if the intensity of the light
source is doubled?
(c) What voltage from the circuit is required to stop the current produced by the
photoelectrons?
(d) What is the threshold frequency?
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