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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 ______.
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 thermometer used to measure the human body temperature is called the ........... thermometer.
Fill in the blank:
The normal temperature of human body is ............ °C or...........°F.
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.
State if the following statement is true or false. Correct the statement if it is false.
A laboratory thermometer has a kink in its capillary tube.
International unit of measuring temperature is ______.
Doctor uses ______ thermometer to measure the human body temperature.
What is the average internal temperature of the human body?
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.
