Refracting Telescope: The focal length of the objective lens of a telescope is 75.0 cm, and the eyepiece has a focal length of 6.00 cm. What is the magnification of this telescope?

A. 0.0800
B. 0.645
C. 450
D. 12.5
E. 200


Answer: D

Physics & Space Science

You might also like to view...

Suppose a car has a 100,000 mile 10 year warranty on the wheels and axles of a car. How may turns will the wheels of 0.80-m diameter make if both the mileage and time warranties run out simultaneously and what will be the average angular velocities of the wheel? Assume that a mile = m and that a year is s.

Physics & Space Science

The difference between the pressures inside and outside a tire is called the absolute pressure

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

Consider the following reaction. n ? p + e– This reaction is impossible because it violates which conservation law?

a. baryon number b. lepton number c. strangeness d. charge

Physics & Space Science

What is the preferred name for Mg3N2?

a. Magnesium trinitride b. Magnesium nitride c. Dimagnesium trinitride d. Manganese nitrate

Physics & Space Science