Question

Apparent brightness depends on which two properties?

A. Distance and temperature
B. Luminosity and distance
C. Luminosity and temperature
D. Luminosity and size

Answer 1

Brightness-Luminosity Relationship:

At a particular Luminosity, the more distant an object is, the fainter its apparent brightness becomes as the square of the distance
So the correct ans is B

Answer 2

I believe it is luminosity and distance

Step-by-step explanation:

So B