Physics Crash Course MHT-CET>Chapter 11 - Thermal Properties of Matter>Exercise 1>Q 21

MEDIUM

MHT-CET

IMPORTANT

Earn 100

Two absolute scales $A$ and $B$ have triple points of water defined to be at $200 A$ and $350 B$ . The relation between $T_{A}$ and $T_{B}$ is

60% studentsanswered this correctly

Important Questions on Thermal Properties of Matter

EASY

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 11 - Thermal Properties of Matter>Exercise 1>Q 22

For a certain thermocouple, the emf

e = a t + b t^{2}

where

t

in

{}^{\circ}C

is the temperature of the hot junction. The cold junction being at

0 ° C

. If

a = 10 μV {}^{\circ}C^{- 1}

and

b = - 0.02 μV {}^{\circ}C^{- 1}

then the temperature of inversion (in

{}^{\circ}C

) will be:

EASY

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 11 - Thermal Properties of Matter>Exercise 1>Q 23

A difference of temperature of

25 ° C

is equivalent to a difference in Fahrenheit :

EASY

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 11 - Thermal Properties of Matter>Exercise 1>Q 25

The temperature on Celsius scale is

25 ° C

. What is the corresponding temperature on the Fahrenheit scale

EASY

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 11 - Thermal Properties of Matter>Exercise 1>Q 26

Value of

- 40 ° C

in Fahrenheit scale is:

EASY

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 11 - Thermal Properties of Matter>Exercise 1>Q 27

On a new scale of temperature (which is linear) and called the

W

scale, the freezing and boiling points of water are

39 ° W

and

239 ° W

respectively. What will be the temperature on the new scale, corresponding to a temperature of

39 ° C

on the Celsius scale ?

EASY

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 11 - Thermal Properties of Matter>Exercise 1>Q 28

Assertion: Water is considered unsuitable for use in thermometers.

Reason: This is due to small specific heat and high thermal conductivity.

EASY

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 11 - Thermal Properties of Matter>Exercise 1>Q 29

A thermometer graduated according to a linear scale reads a value

x_{0}

when in contact with ice. the temperature of an object in

{}^{\circ}C,

if this thermometer in the contact with the object reads

\frac{x_{0}}{2} ?

EASY

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 11 - Thermal Properties of Matter>Exercise 1>Q 30

A centigrade and a Fahrenheit thermometer are dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers

140 °

. What is the fall in temperature registered in centigrade?