217k views
0 votes
A 2 inch, f/4 reflector has a focal length of.

A) 2 inches
B) 4 inches
C) 6 inches
D) 8 inches

User Nick Price
by
8.5k points

2 Answers

4 votes

Answer:

I think it might be 8 inches

Step-by-step explanation:

My reasoning for this answer is that when you want the focal length of a telescope, you multiply the number behind the "f/?" so in other words, it would be

2 * 4 = 8

User Brianzchen
by
7.9k points
6 votes
The answer is B.) 4 inches
User Luixv
by
8.2k points