Physics-Objective Related Question Answers
351. Amount of heat required to raise the, temperature of unit mass of a substance by 1°C is known as?
Specific Heat Capacity
352. Substance having the highest specific heat capacity is?
Water
353. The temperature above which a gas cannot be liquefied?
Critical temperature
354. Element with the highest specific heat is?
Hydrogen
355. Absolute Zero is?
0 Kelvin = -273.15°C
356. The temperature which shows same measurement in Celsius and in Fahrenheit Scale?
-40
357. Temperature which shows same measurement in Fahrenheit and in Kelvin Scale?
574.25
358. Process of exchange of hotter particles to the neighbouring colder particles is known as?
Conduction
359. In solids, heat transfer takes place by?
Conduction
360. Transfer of heat from hotter region carrying heat to a colder region is called?
Convection
361. In liquid and gas, heat transfer takes place by?
Convection
362. Land breeze and sea breeze is due to?
Convection
363. Ocean currents Monsoon and trade winds are based on the principle of?
Convection
364. Transmission of heat from one point to another without heating' the medium is called?
Radiation
365. Heat from the sun reaches the earth by?
Radiation·
366. Thermometer was invented by?
Galelio
367. Mercury Thermometer was Invented by -?
Farenheit
368. Clinical Thermometer was Invented by -?
Thomas Allbutt
369. Normal temperature of human body?
36.9°C ( 98.4°F; 310 K)
370. Thermo Flask was Invented by?
Sir lames Dewar
371. Thermo Flask prevents heat loss by?
Conduction and convection
372. Glass used in thermo flask?
Borosilicate glass
373. Substances which easily allows electricity to flow through them is called?
Conductors eg: silver; copper; mercury etc
374. Substances which does not allow electricity to pass through it is called?
Insulators eg: plastic; mica; rubber; dry air etc
375. Substances which allow electricity to flow through them partially?
Semiconductors eg: Germanium; Silicon
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