Question

a) A photoelectric surface has a work function of 3.30 x 10-19 J. What is the...

a) A photoelectric surface has a work function of 3.30 x 10-19 J. What is the threshold frequency of this surface? (format of a.bc x 10de Hz)

b) What is the stopping voltage of an electron that has 5.40 x 10-19 J of kinetic energy? (3 digit answer)

c) A photoelectric surface requires a light of maximum wavelength of 675 nm to cause electron emission. What is the work function (in eV) of this surface? (3 digit answer)

d) A photoelectric surface has a work function of 2.75 eV. What is the minimum frequency of light that will cause photoelectron emission from this surface? (format of a.bc x 10de Hz)

e) A photon of frequency 8.2 x 1015 Hz is incident upon a photoelectric apparatus containing a metal whose threshold frequency is 3.6 x 1015 Hz. What is the stopping voltage? (2 digit answer)

Science   Advanced-Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
a) A photoelectric surface has a work function of 2.75 eV. What is the minimum frequency...
a) A photoelectric surface has a work function of 2.75 eV. What is the minimum frequency of light that will cause photoelectron emission from this surface ? answer in the format of a.bc x 10de Hz b) A photoelectric cell is illuminated with white light (wavelengths from 400 nm to 700 nm). What is the maximum kinetic energy (in eV) of the electrons emitted by this surface if its work function is 2.30 eV ? 4 digit answer
a) A photon of wavelength 43 nm is incident upon a metal in a photoelectric apparatus....
a) A photon of wavelength 43 nm is incident upon a metal in a photoelectric apparatus. A stopping voltage of 21 V was obtained. What is the threshold frequency of the metal? (format of a.b x 10cdHz) b) Light with a frequency of 5.00 x 1014 Hz illuminates a photoelectric surface that has a work function of 2.10 x 10-19 J. What is the maximum kinetic energy of the emitted photoelectrons? (format of a.bc x 10-de J ) c) Light...
a) What is the energy of a photon (in eV) that has a wavelength of 466...
a) What is the energy of a photon (in eV) that has a wavelength of 466 nm? (3 digit answer) b) What is the energy (in eV) of a photon that has a wavelength of 460 nm? c) What is the wavelength of a photon that has 2.1 eV of kinetic energy? (format of a.b x 10-c m ) d) a photoelectric surface has a work function of 2.00 eV. What is the threshold frequency of this surface?  (format of a.bc...
5. The light of frequency 8.9 x 10^14 Hz falls on a photoelectric surface. When the...
5. The light of frequency 8.9 x 10^14 Hz falls on a photoelectric surface. When the retarding potential of 0.85 V is applied, the maximum speed with which an electron reaches the collector plate is 4.9 x 10^5 m/s. Find: a) the maximum kinetic energy( in joules) of an electron as it leaves the photoelectrode b) the work function (in eV) of the photoelectrode c) the threshold frequency (in Hz) of the photoelectrode
In photoelectric effect, light photon is allowed to fall on a metal surface and a photoelectron...
In photoelectric effect, light photon is allowed to fall on a metal surface and a photoelectron is ejected with kinetic energy 2.6 eV. If the threshold frequency f0 = 2 x 10^14 Hz then calculate the frequency and energy of incident photon.
A) Within a photoelectric effect experiment, light shines on the surface of a metal plate and...
A) Within a photoelectric effect experiment, light shines on the surface of a metal plate and the stopping voltage is measured. a) If the light intensity is decreased, what happens to the stopping voltage? decreases increases     stays the same not enough information b) If the light intensity is decreased, what happens to the number of electrons emitted? decreases increases     stays the same not enough information c) If the light wavelength is decreased, what happens to the KE of the emitted...
The work function of a particular substance is 5.3 × 10-19 J. What is the photoelectric...
The work function of a particular substance is 5.3 × 10-19 J. What is the photoelectric cutoff wavelength for this material? Enter your answer in nm.
a) A photon with a wavelength of 3.00x10-7 m strikes an electron at rest. The scattered...
a) A photon with a wavelength of 3.00x10-7 m strikes an electron at rest. The scattered photon has a wavelength of 4.00x10-7 m. Calculate the KE of the electron. b) Light with a wavelength of 425 nm falls on a photoelectric surface that has a work function of 2.00 eV. What is the maximum speed of the ejected electron? c) A photon of wavelength 43 nm is incident upon a metal in a photoelectric apparatus. A stopping voltage of 21...
The photoelectric work function of potassium is 2.1 eV. If light that has a wavelength of...
The photoelectric work function of potassium is 2.1 eV. If light that has a wavelength of 180 nm falls on potassium Part A: Find the stopping potential for light of this wavelength (V = ______ units) Part B: Find the kinetic energy, in electron volts, of the most energetic electrons ejected (K = ______ eV) Part C: Find the speeds of these electrons (vmax = ______ units)
Sodium has a work function of 2.46 eV. (a) Find the cutoff wavelength and cutoff frequency...
Sodium has a work function of 2.46 eV. (a) Find the cutoff wavelength and cutoff frequency for the photoelectric effect. wavelength     _________ nm frequency     _________ Hz (b) What is the stopping potential if the incident light has a wavelength of 168 nm? _________________V
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT