Assertion (A) The boiling point of water decreases as the altitude increases.
Reason (R) The atmospheric pressure increases with altitude.
Reason (R) The atmospheric pressure increases with altitude.
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Physics GK · all questionsHeat and Thermodynamics
Heat and Thermodynamics
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Which one of the following statements is not correct?
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When red glass is heated in dark room it will seem
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Water evaporates-
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The hand bums more by steam comparatively to boiling water, because
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What changes will happen to a bowl of ice and water kept at exactly 0°C?
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Due to presence of . . . . . . . . in an object, it conducts electricity.
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The blackboard seems black because it
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What is the measure of room temperature on the Kelvin scale?
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The silvering in thermo flask is done to avoid heat transfer by
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The direction of heat flow between two body depends on which of the following?
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The expected quality of a refrigerant is-
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What is the freezing point of water-
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What is the value of the temperature which is considered normal in human body-
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When water is heated from 0°C to 10°C. It's volume
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The safest temperature for keeping food fresh in a refrigerator is
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Which one of the following changes occurs when salt is added into the water?
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Which one of the following statements is not correct?
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Xeric condition refers to
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Cryogenics is a science dealing with
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