Advertisements
Advertisements
Question
One calorie is the amount of heat energy required to raise the temperature of _______ of water through ______.
Advertisements
Solution
One calorie is the amount of heat energy required to raise the temperature of 1 gram of water through 1°C.
APPEARS IN
RELATED QUESTIONS
State the temperature of ice point on the Celsius scale.
Define calorie. How many joules make one calorie?
Why is a newly made quit warmer than an old one?
A small gap is left between two iron rails of the railway track. Why?
What is the relation between α and γ?
One liter of mercury at 100C is heated to 300C. Find the increase in the volume of mercury. The coefficient of cubical expansion of mercury is 1.8 X 10-4 0C-1.
Draw a neat and labeled diagram of a Six's maximum and minimum thermometer. Explain briefly, the working of this thermometer. Give a use of this thermometer.
Complete the following sentence:
SI unit of temperature is ______
The following figure shows a rectangular box with two tubes P and Q at the top. A burning candle R is placed under the tube P. The candle burns brightly.
Explain:
(i) How is the air in the box circulating?
(ii) What will happen if the opening Q is closed?
Find the final temperature of a copper rod. Whose area of cross-section changes from 10 m2 to 11 m2 due to heating. The copper rod is initially kept at 90K. (Coefficient of superficial expansion is 0.0021 /K)
