10th Science Chapter-03 Thermal Physics Creative Question and Answers Part-01
10th Science Chapter-03 Thermal Physics Creative Question and Answers Part-01
01.SI unit heat is
a) Calorie
b) joule
c) kilo calorie
d) kelvin
Correct answer
joule
02.Gas laws state the relationship between ______ properties of gas
a) pressure
b) volume
c) Temperature &mass
d) all the above
Correct answer
all the above
03.The unit of Avogadro's number is per mole or / mol
a) true
b) False
Correct answer
true
04.If a substance is heated or cooled,the liner expansion occurs along the axis of
a) x or -x
b) Y or -Y
c) both (a) and (b)
d) (a) or (b)
Correct answer
both (a) and (b)
05.The unit of conefficient of real expansion is
a) K
b) C
c) K^-1
d) F
Correct answer
K^-1
06.SI unit temperature is
a) Celsius
b) fahrenheit
c) kelvin
d) none
Correct answer
kelvin
07.Change in volume of a solid during heating is
a) Linear expansion
b) superficial expansion
c) Cubical expansion
d) apparent expansion
Correct answer
Cubical expansion
08.Solid, liquid,and gas undergo condensation on heating
a) true
b) False
Correct answer
False
09.Thermal energy always flows from a system at higher temperature to a system at lower temperature
a) true
b) false
Correct answer
true
10.PV /nt =a constant is called as equation of state
a) true
b) False
Correct answer
False
11.The relation between celsius and kelvin is K = C+ 273
a) true
b) false
Correct answer
true
12.Temperature is the average _____ of the molecules of a substance
a) different in K.E and P.E
b) sum of P.E and K.E
c) different in T.E and P.E
d) different in K.E and T.E
Correct answer
different in T.E and P.E
13.All the substances will undergo the following changes like______ when heat
a) increase in temperature
b) expansion of substance
c) change of state
d) all the above
Correct answer
all the above
14.Cooling is transfer of heat energy from the body at higher temperature to lower temperature
a) true
b) false
Correct answer
false
15.At constant pressure volume is proportional to temperature is known as Boyle's law
a) true
b) false
Correct answer
false
16.Ideal gas equation is called equation of state
a) true
b) False
Correct answer
true