Question

Find the energy of the following. Express your answers in units of electron volts, noting that...

Find the energy of the following. Express your answers in units of electron volts, noting that 1 eV = 1.60 10-19 J. (a) a photon having a frequency of 4.20 1017 Hz eV (b) a photon having a wavelength of 6.20 102 nm eV

Science   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
Find the energy of the following. Express your answers in units of electron volts, noting that...
Find the energy of the following. Express your answers in units of electron volts, noting that 1 eV = 1.60 10-19 J. (a) a photon having a frequency of 6.20 1017 Hz eV (b) a photon having a wavelength of 2.20 102 nm eV
A(n) x-ray photon has a wavelength of 7.80 ✕ 10−9 cm. Find the momentum, the frequency,...
A(n) x-ray photon has a wavelength of 7.80 ✕ 10−9 cm. Find the momentum, the frequency, and the energy of the photon in electron volts. (a) the momentum kg · m/s (b) the frequency Hz (c) the energy of the photon in electron volts eV Im having trouble. please help
A photon with a wavelength of 2.47 nm strikes a surface and emits an electron with...
A photon with a wavelength of 2.47 nm strikes a surface and emits an electron with kinetic energy of 228 eV (electron volts). What is the binding energy of the electron in J? Round your answer to 2 sig figs. 1 electron volt = 1.602 x 10-19 J
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...
(a) Calculate the wavelength of light in vacuum that has a frequency of 5.14 ✕ 1018...
(a) Calculate the wavelength of light in vacuum that has a frequency of 5.14 ✕ 1018 Hz. nm (b) What is its wavelength in crown glass? nm (c) Calculate the energy of one photon of such light in vacuum. Express the answer in electron volts. eV (d) Does the energy of the photon change when it enters the crown glass? The energy of the photon does not change. The energy of the photon changes. Explain why?
Find the wavelength (in nm) of a photon whose energy is 6.70 × 10-19 J. The...
Find the wavelength (in nm) of a photon whose energy is 6.70 × 10-19 J. The maximum wavelength that an electromagnetic wave can have and still eject electrons from a metal surface is 507 nm. What is the work function W0 of this metal? Express your answer in electron volts. In the Compton effect, an X-ray photon of wavelength 0.16 nm is incident on a stationary electron. Upon collision with the electron, the scattered X-ray photon continues to travel in...
A. What is the energy in 10-3 eV of a photon that has a momentum of...
A. What is the energy in 10-3 eV of a photon that has a momentum of 6.13×10−29 kg ⋅ m/s ? B. What is the energy in 10-9 eV of a photon in a radio wave from an AM station that has a 1,506 kHz broadcast frequency? C. Calculate the frequency in 1020 Hz of a 0.571 MeV γ-ray photon. D. A certain molecule oscillates with a frequency of 1.73×1013 Hz. What is the approximate value of n for a...
(a) An electron has a kinetic energy of 6.23 eV. Find its wavelength. nm (b) A...
(a) An electron has a kinetic energy of 6.23 eV. Find its wavelength. nm (b) A photon has energy 6.23 eV. Find its wavelength. nm
Find the energy of a photon of wavelength 500 nm that is traveling in vacuum. Express...
Find the energy of a photon of wavelength 500 nm that is traveling in vacuum. Express your result in eV
Cobalt−60 is a radioactive isotope used to treat cancers of the brain and other tissues. A...
Cobalt−60 is a radioactive isotope used to treat cancers of the brain and other tissues. A gamma ray emitted by an atom of this isotope has an energy of 5.90 MeV (million electron volts; 1 eV = 1.602 × 10−19 J). What is the frequency (in Hz) and the wavelength (in m) of this gamma ray? Enter your answers in scientific notation. Frequency: × 10 Hz Wavelength: × 10 m
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT