“J” is the symbol for unit joule; it is the unit of
a) temperature
b) heat
c) power
d) voltage
If your class room temperature is 27˚C. What is its value in kelvin scale?
a) 27 K
b) 373 K
c) 300 K
d) 246 K
Explanation:T(K)= T(C) + 273 T(K)= 27+273
T(K)= 300˚ K
Which of the following is the best conductor?
a) wood
b) water
c) metal
d) plastic
Which temperature of the followings is representing meting point of ice?
a) 0 K
b) 32˚C
c)273K
d) 0˚F
Explanation:T(C)= T(K) – 273 T(C)= 273-273
T(C)= 0˚C
the melting point of ice is 0 ˚C OR 273 K
Mercury thermometer is used to measure temperature of a body. Which process is used in it?
a) convection
b) radiation
c) thermal expansion
d) insulation
Which of the following is the worst conductor?
a) metal
b) wool
c) wood
d) air
