1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

A gas mixture contains monoatomic and diatomic molecules of 2 moles each. The mixture has a total internal energy of (symbols have usual meanings)

A
3RT
B
5RT
C
8RT
D
9RT
2
KCET 2020
MCQ (Single Correct Answer)
+1
-0

A sphere, a cube and a thin circular plate all of same material and same mass initially heated to same high temperature are allowed to cool down under similar conditions. Then, the

A
plate will cool the fastest and cube the slowest
B
sphere will cool the fastest and cube the slowest
C
plate will cool the fastest and sphere the slowest
D
cube will cool the fastest and plate the slowest
3
KCET 2020
MCQ (Single Correct Answer)
+1
-0

In an adiabatic expansion of an ideal gas the product of pressure and volume

A
decreases
B
increases
C
remains constant
D
at first increases and then decreases
4
KCET 2020
MCQ (Single Correct Answer)
+1
-0

A certain amount of heat energy is supplied to a monoatomic ideal gas which expands at constant pressure. What fraction of the heat energy is converted into work?

A
1
B
$$\frac{2}{3}$$
C
$$\frac{2}{5}$$
D
$$\frac{5}{7}$$
KCET Subjects
EXAM MAP