Question

class 11th standard Physics:-
chapter :- heat and temperature.

1. Define scale of temperature using mercury and resistence thermometers.

plz expain clearly i will mark you brainliest promise ....​

Answer 1

Answer:

Any physical property that depends consistently and reproducibly on temperature can be used as the basis of a thermometer. For example, volume increases with temperature for most substances. This property is the basis for the common alcohol thermometer and the original mercury thermometers. Other properties used to measure temperature include electrical resistance, color, and the emission of infrared radiation .

Answer 2

Celsius scale. ... Absolute zero, the hypothetical but unattainable temperature at which matter exhibits zero entropy, is defined as being precisely 0 K and −273.15 °C. The temperature value of the triple point of water is defined as being precisely 273.16 K and 0.01 °C.

Resistance thermometers, also called resistance temperature detectors (RTDs), are sensors used to measure temperature. ... As RTD elements are fragile, they are often housed in protective probes. RTDs, which have higher accuracy and repeatability, are slowly replacing thermocouples in industrial applications below 600 °C.

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