ENT In audiogram of an otosclerotic patient, Carha’s notch is a dip at __________ A 0.5 KHz B 2 KHz C 4 KHz D 8 KHz 💡 Explanation In audiogram of an otosclerotic patient, Carha's notch is a dip at __________ ✓ Correct Answer: B. 2 KHz