MEDIUM
Earn 100

What is the average temperature of the deep waters of the oceans?
(a)4 °C
(b)0 °C
(c)2 °C
(d)10 °C

50% studentsanswered this correctly
Important Questions on Thermal Properties of Matter
MEDIUM
A vertical closed cylinder is separated into two parts by a frictionless piston of mass and of negligible thickness. The piston is free to move along the length of the cylinder. The length of the cylinder above piston is and that below the piston is such that Each part of the cylinder contains moles of an ideal gas at equal temperature If the piston is stationary, its mass will be given by:
( is universal gas constant and is the acceleration due to gravity)

EASY
For the diagram given for an ideal gas

Out of the following which one correctly represents the diagram?

EASY
Universal gas constant is

EASY
Two spherical black bodies have radii and . Their surface temperatures are and . If they radiate same power then is

EASY
The temperature at which Centigrade thermometer and Kelvin thermometer gives the same reading, is

EASY
What are the upper fixed points of the Celsius and the Fahrenheit scales?

EASY
Which of the following is not matched correctly?

MEDIUM
Express the following temperature in

MEDIUM
What is the temperature of the triple-point of water on an absolute scale whose unit interval size is equal to that of the Fahrenheit scale?

EASY
The temperature of the cold junction of thermocouple is and the temperature of hot junction is The emf is . The inversion temperature is

EASY
On a hilly region, water boils at .The temperature expressed in Fahrenheit is

MEDIUM
What do you mean by 'upper fixed point'?

MEDIUM
Convert into degree Celsius.

MEDIUM
Kelvin is the SI unit of

MEDIUM
The triple points of neon and carbon dioxide are and respectively. Express these temperatures on the Celsius and Fahrenheit scales.

EASY
The readings of a constant volume gas thermometer at 0C and 100C are 40cm of mercury and 60 cm of mercury. If its reading at an unknown temperature is 100cm of mercury column, then the temperature is

EASY
Convert the following as directed. .

EASY
On an X temperature scale, water freezes at –125.0° X and boils at 375.0° X. On a Y temperature scale, water freezes at –70.0° Y and boils at –30.0° Y. The value of temperature on X-scale equal to the temperature of 50.0°Y on Y-scale is

EASY
The temperature at which Centigrade thermometer and Kelvin thermometer gives the same reading is,

EASY
What is the change in the temperature on Fahrenheit scale and on Kelvin scale, if an iron piece is heated from to ?

