Q521
Open questionAn optically plane surface reflects a beam of light
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Q522
Open questionThe focal length of a concave mirror with a radius of curvature of 20.0 cm is :
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Q523
Open questionThe type of mirrors used in the headlamp of cars is
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Q524
Open questionShaving mirror is
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Q525
Open questionWhat changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ?
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Q526
Open questionAt what temperature do the Fahrenheit and Celsius scales give the same reading?
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Q527
Open questionThe temperature of a liquid is 32° F. What is its temperature in Celsius scale?
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Q528
Open questionTo convert temperature from Celcius to Kelvin scale, you must ________ the given temperature.
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Q529
Open question0°K is equivalent to
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Q530
Open questionIn very cold countries alcohol is used as a thermometric liquid because
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Q531
Open questionAbsolute Zero is defined as
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Q532
Open questionAt what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal?
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Q533
Open questionAt what temperature (in Fahrenheit) pure water freezes?
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Q534
Open questionOn the Kelvin scale, the melting point of ice is
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Q535
Open questionThe temperature which has the same reading on both Fahrenheit and Celsius scales is
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Q536
Open questionA gas thermometer is more sensitive than a liquid thermometer because a gas :
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Q537
Open questionWhat is the SI unit of temperature?
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Q538
Open questionEarliest thermometer was developed by
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Q539
Open questionThe absolute zero is a temperature at which ________
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Q540
Open questionIce cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be
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