Power = voltage(V) * current(I)
= 120 * 0.5
Power = 60 watts
Answer:
option (b)
Explanation:
for a telescope, the object is placed very far from the objective lens so the focal length of objective is large and the eye piece is of short focal length.
So, long focal length objective and short focal length eyepiece.
Option (b) is correct.
58,000 --------------------------------------------------------------
The weight (or the mass) of a planet is determined by its gravitational effect on other bodies. Newton's Law of Gravitation states that every bit of matter in the universe attracts every other with a gravitational force that is proportional to its mass.
unless...the wall simulaneiously exerts the same amount of force on you.
