Physics Questions and Answers
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
\(\frac{Q}{4 \pi E_o E_r}\)
\(\frac{Q}{4 \pi E_o E_r (R +r)}\)
\(\frac{Q}{4 \pi E_o E_r(R - r)}\)
\(\frac{Q}{4 \pi E_o E_rR}\)
Correct answer is D
No explanation has been provided for this answer.
electric charges evaporate from the surface of the conductor
charges are connected to earth
charges on the conductor are neutralized by opposite charges from the surrounding air
charges ionize the surrounding air
Correct answer is C
No explanation has been provided for this answer.
A satellite in circular motion around the earth does not have
a gravitational force acting on it
a uniform velocity
an acceleration
a centripetal force acting on it
Correct answer is B
No explanation has been provided for this answer.
Sound interference is necessary to produce the phenomenon of
beats
doppler effect
acoustic resonance
echo
Correct answer is A
No explanation has been provided for this answer.
Which of the following is not a part of the electro-magnetic spectrum?
x-rays
microwaves
infrared radiation
alpha rays
Correct answer is D
No explanation has been provided for this answer.