JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

1 Medium

1 of 1

Understanding +4 | -1

Two balloons are filled, one with pure He gas and the other by air, respectively. If the pressure and temperature of these balloons are same, then the number of molecules per unit volume is

View answer and explanation

Correct option: B

Same in both balloons

Option B (Same in both balloons) is correct because, according to the ideal gas law, at the same pressure and temperature, equal volumes contain the same number of molecules, regardless of the gas.

More Questions from THERMAL PROPERTIES OF MATTER

Practice All Chapter MCQs →

In the relation

n = \frac{{PV}}{{RT}},n =

Mud houses are cooler in summer and warmer in winter because For cooking the food, which of the following type of utensil is most suitable Which of the following statements is correct? 300 gm of water at

{25^0}

is added to 100 g of ice at

{0^0}C

. The final temperature of the mixture is A black body radiates energy at the rate of

E\,\,W{m^{ - 2}}

at a high temperature T K. When the temperature is reduced to

\left( {\frac{T}{2}} \right)K

the radiant energy is