Which of the following rays/waves are used to know the growth of the fetus in the womb?

Option 3 : Ultrasonic waves

• Ultrasonography is the technique used for producing images of internal organs and tissues.
• The ultrasound scanner is a device that uses ultrasonic waves for capturing the images of internal organs and tissues.
• Ultrasonic waves travel through the body and get reflected back where there is a change in tissue density.
• These waves are then converted into electrical signals, which in turn are used to generate images of the organs.
• It is used to know the growth of the fetus in the womb during pregnancy and to check for any abnormalities.
• It is also used to break stones formed in the kidneys.