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प्रश्न
An iron washer is heated State the effect on its density.
एका वाक्यात उत्तर
उत्तर
Density decreases.
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संबंधित प्रश्न
State one application of thermal expansion of liquids.
100 ml of each of the following liquid is heated from 10°C to 50°C. Which will expand more : (a) water (b) benzene (c) alcohol?
Distinguish between a clinical and a laboratory thermometer.
Equal volumes of alcohol and mercury are heated uniformly in identical containers separately from 10°C to 50°C. Will both the liquids occupy the same volume? Give reason.
State three advantages of using mercury in a thermometer liquid.
Thermal expansion is always a nuisance.
Borosilicate glass do not expand much on being heated.
Give reason for the following
An ordinary glass bottle cracks when boiling water is poured into it, but a borosilicate glass bottle does not.
- Assertion: Gas is highly compressible than solid and liquid
- Reason: Interatomic or intermolecular distance in the gas is comparably high.
Analogy:
Ordinary glass:: Glass tumbler.
Pyrex glass:: ______.
