Measurement of temperature
Measurement of temperature
Measurement of temperature
There are three scales for the measurement of the temperature of a system. These are: degree Celsius (°C), degree Fahrenheit (°F) and Kelvin (K).
On Celsius scale the freezing point of water is taken as 0°C, whereas its boiling point is taken as 100°C. So, this scale is calibrated from 0 to 100°C.
On the Fahrenheit scale, the freezing point of water is 32°F and its boiling point is taken as 212°F. So, this scale is calibrated from 32 to 212°F.
°F = 9/5 (°C) + 32
On the Kelvin scale, the freezing point of water is taken as 273.15K and its boiling point is taken as 373.15K. The Kelvin scale is related to the Celsius scale as follows:
t°C = (273.15 + t)K
For convenience, we use 0°C = 273 K
The boiling point of alcohol is | |||
| Right Option : B | |||
| View Explanation | |||
Convert | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following are correct : (a) On Celsius scale the freezing point of water is taken as 0°C, whereas its boiling point is taken as 100°C. So, this scale is calibrated from 0 to 100°C. (b) On the Fahrenheit scale, the freezing point of water is 32°F and its boiling point is taken as 212°F. So, this scale is calibrated from 32 to 212°F. (c) On Celsius scale the freezing point of water is taken as 100°C, whereas its boiling point is taken as 200°C. So, this scale is calibrated from 0 to 100°C. | |||
| Right Option : A | |||
| View Explanation | |||
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