Give the difference between: (a) Sea breeze and land breeze (b) Laboratory thermometer and clinical thermometer.

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Solution

(a) Differences between sea breeze and land breeze:

Sl. No. Sea Breeze Land Breeze

1. Breeze blowing from the sea towards the land due to the relative heating up of the land during the daytime is called sea breeze. Breeze blowing from the land towards the sea due to the relative cooling down of the land during the night is called land breeze.

2. Sea breeze is an example of convection current that occurs during the daytime. Land breeze is an example of convection current that occurs at night.

(b) Differences between laboratory thermometer and clinical thermometer:

Sl. No. Laboratory Thermometer Clinical Thermometer

1. Laboratory thermometers are used in laboratories to measure temperature and change in temperature with a high degree of precision. Clinical thermometer, also called doctor's thermometer, is used at home to measure the temperature of the human body.

2. Laboratory thermometers do not have a kink and cannot be used to measure the temperature of the body. Clinical thermometer has a kink to prevent the mercury from sliding back into the bulb.

3. The temperature range of a laboratory thermometer is between -10^ₒC to 110^ₒC. The temperature range of a clinical thermometer is between 35^ₒC to 43^ₒC.

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