azureguli azureguli
  • 11-04-2018
  • Chemistry
contestada

A 2-inch, f/4 reflector has a focal length of:

2 inches
4 inches
6 inches
8 inches

Respuesta :

isalias3471
isalias3471 isalias3471
  • 11-04-2018
The focal length would be four inches.
Answer Link
datagman13
datagman13 datagman13
  • 16-05-2019

Answer:

I think it might be 8 inches

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

Answer Link

Otras preguntas

find the volume of a sample of aluminum if its density is 2.699 g/cm3 and its mass is 26.0g?
The trip to Mexico will take 8 hours how many seconds will the trip take
which situation cannot be represented by this equation x+12=37
Which statement best describes the role of loyalists during the war? (1) Loyalists furnished food and shelter for the king's armies. (2) Loyalists were the firs
What was one of the most devastating effects of European exploration on American Indians? Question 2 options: The spread of disease. The introduction of the ho
Which expression is equivalent to 3 + 4y – y(9 – 2y) + 5? A. 8 – 7y B. 2y^2 - 5y + 8 C. -2y^2 - 5y + 8 D. -6y^2 + 27y + 8
Find the percentage of each number 0.9percent of 1000
Sparky weighs 7 times a much as solo. How much does solo weigh
I need help Someone
what office analyzes the federal budget to report to the Appropriations Committeea. congressional budget officeb. office of management and budgetc. ways and mea