[Answered] Parallel rays of light that hit a concave mirror will come together: a. at the focal point. b. at ...

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DelorasTo

Hero Member
Posts: 548

on: Jul 28, 2018

Parallel rays of light that hit a concave mirror will come together:
a. at the focal point.
b. at a point half way to the focal point.
c. at infinity.
d. at the center of curvature.

Question 2

What temperature increase is necessary to increase the power radiated from an object by a factor of 16?
a. 8 K
c. 100
b. 2 K
d. about 68

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nital

Sr. Member
Posts: 320

Reply #1 on: Jul 28, 2018

Answer to Question 1

A

Answer to Question 2

C

DelorasTo

Member
Posts: 548

Reply 2 on: Jul 28, 2018

YES! Correct, THANKS for helping me on my review

parker125

Member
Posts: 332

Reply 3 on: Yesterday

Gracias!

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