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 temperature at which the water vapour present in the air is just sufficient to saturate air is
Boiling point
Ice point
Saturation point
Dew point
Correct answer is D
No explanation has been provided for this answer.
The melting point of a substance is equivalent to its
Vapour Pressure
Solidification Temperature
Liquidification Temperature
Solidification Pressures
Correct answer is B
No explanation has been provided for this answer.
The quantity of heat needed to raise the temperature of a body by 1K is the body's
Heat capacity
Internal energy
Specific heat capacity
Latent heat of fusion
Correct answer is A
No explanation has been provided for this answer.
The equation PaVbTc= constant reduces to Charles Law if
a=1, b=1and c=0
a=1, b=0 and c=-1
a=0, b=1 and c=1
a=0, b=1 and c=-1
Correct answer is D
if a=0, b=1 and c=-1 then
P0V1T-1 = V/T (Charles Law)
What is the equivalent of 20K in Celsius scale?
-253oC
-293oC
68oC
36oC
Correct answer is A
= (20 - 273)°C
= -253°C