JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

1 Medium

1 of 1

Understanding +4 | -1

The reading of brass scale at room temperature is

{L}_1

. Above room temperature reading is

{L}_2

and below room temperature reading is

L_3

. Then, relation between the readings is

View answer and explanation

Correct option: B

L_3>L_1>L_2

Option B (

L_3>L_1>L_2

) is correct because the brass scale expands with increasing temperature, leading to lower readings, and contracts with decreasing temperature, leading to higher readings.

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