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प्रश्न
An iron ball at 40°C is dropped in a mug containing water at 40°C.
The heat will ______.
पर्याय
flow from iron ball to water.
not flow from iron ball to water or from water to iron ball.
flow from water to iron ball.
increase the temperature of both.
उत्तर
An iron ball at 40°C is dropped in a mug containing water at 40°C.
The heat will not flow from iron ball to water or from water to iron ball.
Explanation:
As temperature of iron ball and water is same.
APPEARS IN
संबंधित प्रश्न
One litre of water at 30°C is mixed with one litre of water at 50°C. The temperature of the mixture will be ______.
Fill in the blank:
The zero mark in Celsius thermometer is the melting point of ...........
Fill in the blank:
The thermometer used to measure the human body temperature is called the ........... thermometer.
What does the temperature measure?
What is a clinical thermometer? State its special feature. Draw a labelled neat diagram of a clinical thermometer showing the range of temperature marked on it.
Answer the following in short.
Why is there a slight bend in the capillary tube of a clinical thermometer near the bulb?
Answer the following in detail.
What do you understand by the term temperature?
Swathi kept a laboratory thermometer in hot water for some time and took it out to read the temperature. Ramani said it was a wrong way of measuring temperature. Do you agree with Ramani? Explain your answer.
Higher Order Thinking question
What must be the temperature in Fahrenheit, so that it will be twice its value in Celsius?
Go to a doctor or your nearest health centre. Observe the doctor taking the temperature of patients. Enquire:
- Why she dips the thermometer in a liquid before use.
- Why the thermometer is kept under the tongue.
- Whether the body temperature can be measured by keeping the thermometer at some place other than the mouth.
- Whether the temperature of different parts of the body is the same or different.
You can add more questions which come to your mind.
