Understanding Phonetic Symbols for Vowel Sounds

The question asks us to identify the phonetic symbol that represents the underlined sound in the words "gun", "come", and "luck". Let's listen carefully to the sound of the vowel in these words.

In all three words:

• gun
• come
• luck

the underlined sound is the short vowel sound you hear in words like "cup", "sun", or "cut". This particular vowel sound is a short back unrounded vowel or a central vowel, depending on the accent.

Identifying the Correct Phonetic Symbol

In the International Phonetic Alphabet (IPA), the sound we hear in "gun", "come", and "luck" is represented by the symbol /ʌ/ (a turned V). Many resources, especially in simpler representations, use the caret symbol '^' to stand for /ʌ/.

Let's look at the given options:

1. ^
2. ɔ :
3. μ :
4. ³

Option 1 shows the symbol '^', which is used to represent the /ʌ/ sound.

Option 2 shows 'ɔ :', which represents the long 'aw' sound, as in "thought" or "caught" (/ɔː/).

Option 3 shows 'μ :', which is likely a typo or incorrect representation. The symbol for the long 'oo' sound, as in "moon" or "food", is /uː/.

Option 4 shows '³', which is a superscript '3' and does not represent the target sound.

Comparing the sound in "gun", "come", and "luck" with the options, the symbol '^' correctly represents the /ʌ/ sound.

Conclusion

The phonetic symbol for the underlined sound in "gun", "come", and "luck" is represented by '^', which corresponds to the /ʌ/ sound in IPA.

Therefore, option 1 is the correct choice.