Advertisements
Advertisements
Question
How is the size of a degree defined on a Celsius scale ?
Advertisements
Solution
The interval between the ice point and steam point divided by 100 (hundred) equal parts is called a degree on the Celsius scale.
APPEARS IN
RELATED QUESTIONS
What must be the temperature in Fahrenheit so that it will be twice its value in Celsius?
1 joule = 4.2 calorie
Is this relation correct?
The hot metal ball is suspended from a string in a metal box as shown in the following figure
(i) What are the ways in which the ball loses heat
(ii) Which side of the box will be the hottest and which the least hot after some time? Explain.
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?
Consider the statement given below and choose the correct option.
Assertion: A system can be converted from one state to another state.
Reason: It takes place when the temperature of the system is constant.
The temperature and heat are ______ quantities.
Thermal energy always flows from a system at higher temperature to a system at lower temperature.
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)
Match the following:
| Column-I | Column-II | |
| 1. | Length | s |
| 2. | Mass | m |
| 3. | Time | k |
| 4. | Temperature | kg |
