BITSAT 2024 | Heat and Thermodynamics Question 1 | Physics

In a mixture of gases, the average number of degree of freedoms per molecule is 6 . The rms speed of the molecule of the gas is $ c $, then the velocity of sound in the gas is

$ \frac{c}{\sqrt{3}} $

$ \frac{c}{\sqrt{2}} $

$ \frac{2 c}{3} $

$ \frac{3 c}{3} $

BITSAT 2023

MCQ (Single Correct Answer)

-1

A vessel containing 1 mole of $$\mathrm{O}_2$$ gas (molar mass 32) at temperature $$T$$. The pressure of the gas is $$p$$. An identical vessel containing one mole of He gas (molar mass 4) at temperature $$4 T$$ has a pressure of

p/8

BITSAT 2023

MCQ (Single Correct Answer)

-1

A Carnot's heat engine works between the temperature $$527^{\circ} \mathrm{C}$$ and $$127^{\circ} \mathrm{C}$$. What amount of heat should it consume per second to deliver mechanical work at the rate of $$1.0 \mathrm{~kW}$$ ?

0.477 kcal/s

4.77 kcal/s

447.7 kcal/s

0.2385 kcal/s

Questions Asked from MCQ (Single Correct Answer)

BITSAT 2024 (2) BITSAT 2023 (2) BITSAT 2022 (2) BITSAT 2021 (3) BITSAT 2020 (6)

BITSAT Subjects

English Proficiency

Logical Reasoning

Verbal

Direction Sense Test Analogy Classification Series Completion Blood Relations Logical Deduction Logic Chart

Non Verbal

Completion of Figure Figure Formation Paper Folding and Cutting Figure Matrix Rule Detection Mirror Image