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प्रश्न
An iron ball at 40°C is dropped in a mug containing water at 40°C.
The heat will ______.
विकल्प
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.
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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
The hotness of an object is determined by its ______.
Write true or false.
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State if the following statement is true or false. Correct the statement if it is false.
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State if the following statement is true or false. Correct the statement if it is false.
Water is the most commonly used thermometric substance.
International unit of measuring temperature is ______.
At room temperature Mercury is in ______ state.
The freezing point of alcohol is less than ______.
Shopkeepers selling ice blocks usually cover them with jute sacks. Explain why.
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.
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- 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.
