JEE Main 2021 (Online) 16th March Evening Shift | Heat and Thermodynamics Question 206 | Physics

A bimetallic strip consists of metals A and B. It is mounted rigidly as shown. The metal A has higher coefficient of expansion compared to that of metal B. When the bimetallic strip is placed in a cold bath, it will :

JEE Main 2021 (Online) 16th March Evening Shift Physics - Heat and Thermodynamics Question 205 English

JEE Main 2021 (Online) 16th March Evening Shift Physics - Heat and Thermodynamics Question 205 English

Neither bend nor shrink

Bend towards the left

Not bend but shrink

Bend towards the right

JEE Main 2021 (Online) 16th March Morning Shift

MCQ (Single Correct Answer)

-1

In thermodynamics, heat and work are :

Path functions

Point functions

Extensive thermodynamics state variables

Intensive thermodynamic state variables

JEE Main 2021 (Online) 16th March Morning Shift

MCQ (Single Correct Answer)

-1

The volume V of an enclosure contains a mixture of three gases, 16 g of oxygen, 28 g of nitrogen and 44 g of carbon dioxide at absolute temperature T. Consider R as universal gas constant. The pressure of the mixture of gases is :

$${{3RT} \over V}$$

$${{4RT} \over V}$$

$${{88RT} \over V}$$

$${5 \over 2}{{RT} \over V}$$

JEE Main 2021 (Online) 26th February Evening Shift

MCQ (Single Correct Answer)

-1

The internal energy (U), pressure (P) and volume (V) of an ideal gas are related as U $$=$$ 3PV + 4. The gas is :

either monoatomic or diatomic.

monoatomic only.

polyatomic only.

diatomic only.