[Answered] A(n) ______________ is an elementary particle with no charge. a. electron b. neutron c. proton ...

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Author Question: A(n) ______________ is an elementary particle with no charge. a. electron b. neutron c. proton ... (Read 186 times)

beccaep

Hero Member
Posts: 535

on: Jul 28, 2018

A(n) ______________ is an elementary particle with no charge.
a. electron
b. neutron
c. proton
d. atom

Question 2

A camera has a converging lens with a focal length of 56 mm. If the f-number is 2.8, what is the diameter of the lens (in mm)?
a. 10
b. 31
c. 0.50
d. 20
e. 50

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Qarqy

Sr. Member
Posts: 313

Reply #1 on: Jul 28, 2018

Answer to Question 1

b

Answer to Question 2

d

beccaep

Member
Posts: 535

Reply 2 on: Jul 28, 2018

Thanks for the timely response, appreciate it

Jossy

Member
Posts: 336

Reply 3 on: Yesterday

Excellent

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