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Question

On converting 25°C, 38°C and 66°C to the kelvin scale, the correct sequence of temperatures will be


A

298K,311K and 339K

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B

298K,300K and 338K

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C

273K,278K and 543K

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D

298K,310K and 338K

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Solution

The correct option is A

298K,311K and 339K


Explanation of correct answer:

Option A 298K,311K and 339K

Kelvin is the SI Unit of measurement of temperatures and is represented by the Unit Kelvin 'K'.

Temperatures can be converted from Celsius to Kelvin by adding 273 to the Celsius Scale, that is K=°C+273

The given 3 temperatures are on the Celsius Scale.

25°C,38°C, and 66°C

To convert all of them to the Kelvin Scale, add 273 to the given temperatures.

25°C+273=298K

38°C+273=311K

66°C+273=339K

Therefore, option A is 298K,311K and 339Kcorrect.


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