Question

Choose the correct option

This question has multiple correct options
A

Temperature of a water kept inside a beaker is measured when the laboratory thermometer is held inside the water

B

Temperature of a water kept inside a beaker is measured when the laboratory thermometer is removed from the water

C

Temperature of our body is measured when the clinical thermometer is kept inside the mouth

D

Temperature of our body is measured when the clinical thermometer is removed from the mouth

Medium

Solution

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Correct option is
A

Temperature of a water kept inside a beaker is measured when the laboratory thermometer is held inside the water

D

Temperature of our body is measured when the clinical thermometer is removed from the mouth

A.Temperature of a water kept inside a beaker is measured when the laboratory thermometer is held inside the water.This gives accurately the temperature of water in beaker.
B
Temperature of a water kept inside a beaker is measured when the laboratory thermometer is removed from the water.This method is wrong as thermometer reading will be drop as it removed from the beaker.Hence this will give error in reading.
C
Temperature of our body is measured when the clinical thermometer is kept inside the mouth.In the clinical thermometers the maximum temperature is first allowed to reach then we remove the thermometer and  take the reading.Hence temperature inside mouth gives error in reading 
D
Temperature of our body is measured when the clinical thermometer is removed from the mouth.In the clinical thermometers the maximum temperature is first allowed to reach then we remove the thermometer and  take the reading.Hence this method is correct.

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