Question

Which of the following represents the magnitude of a temperature correctly?

• A. 10k
• B. 10 Kelvins
• C. 10 Ks
• D. 10 K

Answer 1

The correct option is D

10 K

Correct option(d): 10 K

Explanation for correct option

1. When measuring a magnitude of a physical quantity each is represented by symbol.
2. When we write symbol of a unit, we use capital letters. For example, we write K for Kelvin, N for Newton
3. Thus the magnitude of temperature is represented as 10 K.

Incorrect options :(a),(c),(b)

Explanation for incorrect option:

1. small letter and plural form for a unit named after a person should not be used in writing units .
   Thus options (a) and (b) are incorrect
2. The plural form of a unit is when written in full but not applicable for a unit named after a person (i.e) 10 K not Ks

Hence option (c) is incorrect answer