[Answered] If the momentum of an electron is 1.95 10-27 kg m/s, what is its de Broglie wavelength? (h = 6.626 ...

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Author Question: If the momentum of an electron is 1.95 10-27 kg m/s, what is its de Broglie wavelength? (h = 6.626 ... (Read 43 times)

WhattoUnderstand

Hero Member
Posts: 517

on: Jul 29, 2018

If the momentum of an electron is 1.95 10-27 kg m/s, what is its de Broglie wavelength? (h = 6.626 10-34 J s)

A) 340 nm
B) 210 nm
C) 170 nm
D) 420 nm
E) 520 nm

Question 2

Calculate the current through a 10.0-m long 22 gauge (having radius 0.321 mm) nichrome wire if it is connected to a 12.0-V battery.

The resistivity of nichrome is 100 10-8 m.
A) 776 mA B) 30.9 A C) 17.5 A D) 388 mA E) 61.8 A

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aidanmbrowne

Sr. Member
Posts: 305

Reply #1 on: Jul 29, 2018

Answer to Question 1

A

Answer to Question 2

D

WhattoUnderstand

Hero Member
Posts: 517

Reply #2 on: Jul 29, 2018

Thanks

aidanmbrowne

Sr. Member
Posts: 305

Reply #3 on: Jul 29, 2018

Welcome

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Author Question: If the momentum of an electron is 1.95 10-27 kg m/s, what is its de Broglie wavelength? (h = 6.626 ... (Read 43 times)

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