[Answered] What is the frequency of yellow-green light that has a wavelength of 550 ...

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HCHenry

Hero Member
Posts: 591

on: Jul 28, 2018

What is the frequency of yellow-green light that has a wavelength of 550 nm?

Question 2

A neutron has a mass of 1.67 1027 kg. Its de Broglie wavelength is 1.4 1010 m. What is its kinetic energy (in eV)?
a. 4
b. 0.4
c. 0.04
d. 40
e. 0.08

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paavo

Sr. Member
Posts: 301

Reply #1 on: Jul 28, 2018

Answer to Question 1

5.5 1014 Hz

Answer to Question 2

c

HCHenry

Member
Posts: 591

Reply 2 on: Jul 28, 2018

Excellent

ryhom

Member
Posts: 366

Reply 3 on: Yesterday

Thanks for the timely response, appreciate it

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