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प्रश्न
Who is telling the truth?
The temperature of a substance is measured in joules.
उत्तर
The sentence is lying as heat energy is measured in joules.
संबंधित प्रश्न
Fill in the blank
The S.I. unit of temperature is ________.
How is the size of a degree defined on a Celsius scale ?
Which is more, a calorie or a joule?
What is the principle of the thermometer?
Convert the following temperature into Fahrenheit scale:
850C.
The following figure shows a container in which a lighted candle has been kept. The container has two openings, p, and Q. Which way the smoke from an external source placed near P moves when it reaches P and leaves from Q. Give a reason for your answer.
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.
Numerical Problems.
An iron ball requires 1000 J of heat to raise its temperature by 20°C. Calculate the heat capacity of the ball.
State whether true or false. If false, correct the statement.
One Celsius degree is an interval of 1K and zero degree Celsius is 273.15 K.
