Which of the following sounds is a representation of 'short i'?

The sound represented by 'short i' is a vowel sound that is used in words where 'i' is pronounced in a way that is distinct from its long counterpart. In the context of phonetics, 'short i' typically sounds like /ɪ/, which can be heard in the word “sit.”

When pronouncing “sit,” the vowel sound is pronounced quickly and is often found in words that are short and have stressed syllables. The other options feature different pronunciation patterns: "fat" uses a short 'a' sound /æ/, "hate" contains a long 'a' sound as indicated by the silent 'e' at the end, and "pin" uses the same vowel sound as "sit" but is nevertheless not the only word signifying 'short i' in this context.

Thus, the connection between 'short i' and the word “sit” specifically highlights the correct phonemic representation of the sound in question.