Question

in a photoelectric experiment it is found that a stopping potential of 1.00 v is needed...

in a photoelectric experiment it is found that a stopping potential of 1.00 v is needed to stop all the electrons when incident light of wavelength 294 nm is used and 2.7 V is needed for light of wavelength 207 nm. from these data determine plank's constant and the work function of thr metal.
0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
in a photoelectric experiment it is found that a stopping potential of 1.00 v is needed...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • In a photoelectric experiment using a sodium surface, you find a stopping potential of 1.86 V...

    In a photoelectric experiment using a sodium surface, you find a stopping potential of 1.86 V for a wavelength of 300 nm and a stopping potential of 0.838 V for a wavelength of 399 nm. From these data find (a) a value for the Planck constant, (b) the work function Φ for sodium, and (c) the cutoff wavelength λ0 for sodium.

  • 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

  • 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 0.898 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 = 640.0 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 0.810 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 = 675.0 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 0.934 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 = 656.0 nm)? ____V

  • Physics help! Thanks in advance! Two light sources are used in a photoelectric experiment to determine...

    Physics help! Thanks in advance! 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 (lambda = 546.1 nm) is used, a stopping potential of 0.686 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 (lambda = 630.0 nm)?...

  • Light striking a metal surface causes electrons to be emitted from the metal via the photoelectric...

    Light striking a metal surface causes electrons to be emitted from the metal via the photoelectric effect.In a particular experiment to study the photoelectric effect, the frequency of the incident light and the temperature of the metal are held constant. Assuming that the light incident on the metal surface causes electrons to be ejected from the metal, what happens if the intensity of the incident light is increased?Check all that apply.The work function of the metal decreases.The number of electrons...

  • In the photoelectric effect, you got familiar with threshold frequency, stopping potential, and how they are...

    In the photoelectric effect, you got familiar with threshold frequency, stopping potential, and how they are inter-related. The wavelength() corresponding to the threshold frequency of potassium is 558 nm. What is the work function for potassium? What is the maximum kinetic energy of e- when light of 400 nm is incident on potassium? If the intensity of light is 10-2W/m², how many photons are incident per second per square meter? (4 points)

  • Notes we wes > Photoelectric effect [3] - Timer What is the maximum wavelength of incident light that can produc...

    Notes we wes > Photoelectric effect [3] - Timer What is the maximum wavelength of incident light that can produce photoelectrons from silver? The work function for silver is O=2.93 ev. Submit Answer Tries 0/20 In this experiment, what is the minimal potential needed to fully stop the electrons if the wavelength of the incident light is 373 nm? Submit Answer Tries 0/20

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT