## Question

### Solution

Correct option is

0.6 cal/g-oC

Let V cc be the volume of either liquid.

Thermal capacity of each calorimeter is V cal per oC.  Rate of cooling of water, Rate of cooling of alcohol Now -oC

#### SIMILAR QUESTIONS

Q1

For an adiabatic expansion of a perfect gas, the value of is equal to:

Q2

In an adiabatic expansion of a gas, the product of pressure and volume:

Q3

One of the most efficient engines ever developed operates between 2100 K and 700 K. Its actual efficiency is 40%. What percentage of its maximum possible efficiency is this?

Q4

In an adiabatic change, the pressure P and temperature  of a diatomic gas are related by the relation where equals:

Q5

By opening the door of a refrigerator inside a closed room:

Q6

One mole of an ideal mono-atomic gas is heated at a constant pressure of one atmosphere from 0oC to 100oC. Then the change in the internal energy is:

Q7

One mole of an ideal mono-atomic gas is heated at a constant pressure of one atmosphere from 0oC to 100oC. The work done by the gas is:

Q8

One mole of an ideal mono-atomic gas is heated at a constant pressure of one atmosphere from 0oC to 100oC. The heat taken from the source is:

Q9

Three moles of an ideal mono-atomic gas perform a cycle as shown in figure. The gas temperatures in different states are The work done by the gas during the cycle will be: Q10

During an adiabatic process at constant pressure, the temperature and volume of a gas are found to vary according to the relation TV0.4 constant. The gas should be: