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.
The heat capacity of a substance is the energy
required to raise the temperature of a unit mass of the substance by one degree.
required to raise the temperature of the substance by one degree
absorbed by the substance at constant temperature
lost by a unit mass of the substance.
Correct answer is B
No explanation has been provided for this answer.
50.006m
50.060m
51.600m
51.200m
Correct answer is A
No explanation has been provided for this answer.
Iron at 30oC feels colder to the hand than wood at 28oC because
their linear expansivities are not equal.
the temperature of the iron is higher than that of the wood
iron is a better radiator of heat than wood
iron conducts heat more quickly from the hand than wood
Correct answer is D
No explanation has been provided for this answer.
300.0N
173.2N
30.0N
17.3N
Correct answer is B
No explanation has been provided for this answer.
If the force of attraction between the sun and the 8 planets is removed; the planets will
fall towards the sun
scatter and stop moving
continue to move at tangent to their original orbits
continue to move perpendicular to their original orbits. '
Correct answer is D
No explanation has been provided for this answer.