Q. The waves used in sonography are

  • (A) Ultrasonic waves
  • (B) Infra-red waves
  • (C) Sound waves
  • (D) Micro waves
✅ Correct Answer: (A) Ultrasonic waves

Published by Ram Sharma ⭐ 193.88K Points at 18-Mar-2022 08:46 am in Science

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