Question 3 :
The mode of exchange of energy due to temperature difference is known as:<br/>
Question 4 : <span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p class="wysiwyg-text-align-left">The heat change in a chemical reaction at constant volume is given by:</p>
Question 7 :
Select the option which describes the best definition of heat in the context of thermal energy?<br/>
Question 8 :
The internal energy of a compressed real gas, as compared to that of the normal gas at the same temperature, is
Question 10 :
Which of the following physical quantities is measured in calories ? <br/>
Question 11 :
At what temperature, due the Celsius and Fahrenheit scales show then same reading but with opposite sign?
Question 12 :
When you wrap yourself in blankets during winter or when you touch any hot object, then what kind of energy is felt by you?<br/>
Question 14 :
At what temperature, the Celsius and Fahrenheit scales will read the same ?
Question 19 :
The water can be made to boil even at $0^{\circ}C$ if the pressure of surroundings is
Question 20 :
At what temperature do the Fahrenheit and Celsius scales give the same reading?
Question 21 :
Greater the heat energy, ________ the body. Fill in the blank.     <br/>
Question 22 :
If $1 cal = 4.2 J$, then $0.2 cal g^{-1} {\;}^oC^{-1}=......... J kg^{-1} K^{-1}$
Question 24 : <span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p>Energy hidden in a definite quantity of substance is:<br/></p>
Question 25 :
The internal energy of a gram-molecule of an ideal gas depends on
Question 30 :
If the difference of temperature of two bodies is 5$^{o}$C, then the difference of temperature on Kelvin scale is :
Question 31 :
Of the following instruments, which instruments is most suitable for measuring a temperature of $400^{o}$C?<br/>
Question 32 :
How is the S.I. unit of heat related to the unit Calorie?
Question 36 :
Centigrade (Celsius) scale can be converted into Kelvin scale by formula
Question 38 :
Assertion: Kelvin Temperature Scale has the Absolute Zero.
Reason: At Absolute Zero, the molecular energy is minimum
Question 43 :
Heat is a form of _____ and temperature is a _______ of amount of heat energy in a body.
Question 47 :
A graph is plotted taking $^\circ C$ along the Y-axis and $^\circ F$ along the X-axis. It is a/an<br>
Question 50 :
For measuring temperature near absolute zero, the thermometer used is :<br/>
Question 51 :
The internal energy of a piece of lead when beaten by a hammer will
Question 52 :
The temperature of a body on Kelvin scale is found to be $X\ K$. When it is measured by a Fahrenheit thermometer, it is found to be $X^o F$. Then $X$ is
Question 53 :
Assertion: The lowest attainable temperature is absolute zero,i.e.,$0K=-273.15^oC.$
Reason: Size of each degree on Kelvin scale is same as that on Celsius scale.
Question 54 :
Ideal gas is contained in a thermally insulated and rigid container and it is heated through a resistance $100\Omega $ by passing a current of $1A$ for five minutes, then change in internal energy of the gas is
Question 55 :
The upper and lower fixed points of a faulty mercury thermometer are $210^oF$ and $34^oF$ respectively. The correct temperature read by this thermometer is
Question 56 :
Two absolute scale A and B have triple points of water defined to be at 200 A an 350 B. The relation between $T _ { A }$ and $T _ { B }$  is
Question 57 : Rewrite the following equation in terms of $C$:<div>$\displaystyle F \, = \, \dfrac {9}{5}C\, + \, 32\,$</div>
Question 58 :
The amount of heat required to raise the temperature of 1 kilogram of water by $1\:^oC$ is called :<br/>
Question 60 :
A gas mixture consists of $2$ moles of $O_2$ and $4$ moles of Ar at temperature $T$. Neglecting all vibrational modes, the total internal energy of the system is <br>
Question 61 :
Assertion: Fahrenheit is the smallest unit measuring temperature.
Reason: Fahrenheit was the first temperature scale used for measuring temperature.
Question 62 :
The temperature of liquid hydrogen is $20\ K$.What is this temperature on the Fahrenheit scale?
Question 63 :
In which of the processes, does the internal energy of the system remain constant?
Question 64 :
The internal energy $U$ is a unique function of any state because change in $U$.
Question 65 :
Hailstone at $0^{o}C$ falls from a height of $1\ km$ on an insulating surface converting whole of its kinetic energy into heat. What part of it will melt ? $(g=10\ m/s^{2}$)
Question 66 : <span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p class="wysiwyg-text-align-left">The heat change associated with reactions at constant volume is due to the difference in which property of the reactants and the products ?</p>
Question 68 :
At what temperature, the Fahrenheit scale reading is double of Celsius Scale reading?
Question 69 :
Pallet, and Boojho measured their body temperature. Paheli found her's to be $98.6^{o}\digamma$ and Boojho recorded $37^{o}C$.<br>Which of the following statement is true?
Question 70 :
(a) Define Heat energy<br>(b) How does heat energy flow from one body to another body?
Question 71 :
In a thermodynamic system working subtance is ideal gas, its internal energy is in the from of
Question 72 :
A mercury thermometer is transferred from melting ice to hot liquid.The mercury rises to 9/10 distance between two fixed points. Find the temperature in liquid in Fahrenheit scale
Question 73 :
The point on the pressure temperature phase diagram where all the phases co-exist is called 
Question 74 :
On which of the following scales of temperature, the temperature is never negative
Question 75 :
Assertion: The internal energy of an isothermal process does not change.
Reason: The internal energy of a system depend only on pressure of the system
Question 77 :
If the difference of temperature of two bodies is $5^oC$, then the difference of temperature on Kelvin scale is
Question 78 :
In a sports meet the timing of a $200\ m$ straight dash is recorded at the finish point by starting an accurate stop watch on hearing the sound of starting gun fired at the starting point. The time recorded will be more accurate
Question 79 :
One calorie is defined as the heat required to raise the temperature of $1 \ gm$ of water by $1^{o}\mathrm{C}$ in a certain pressure. The pressure is<br/>
Question 80 :
On a hypothetical scale A the ice point is $42^o$ and the steam point is $182^o$ For another scale B, the ice point is $-10^o$ and steam point in $90^o$) If B reads $60^o$, the reading of A is,
