Question

a] What is SONAR ?
b] What is the basic principle of its working ?
c] Explain its use ?​

Answer 1

Answer:

Sonar is a device that uses ultrasonic waves to measure the distance, direction and speed of underwater objects. Principle: It uses the phenomenon of echoes in determining the sea-depth and locating the presence of under-water objects.

Answer 2

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ᴀ] Wʜᴀᴛ ɪs SONAR ?

➭ SONAR ʀᴇғᴇʀs ᴛᴏ Sᴏᴜɴᴅ Nᴀᴠɪɢᴀᴛɪᴏɴ ᴀɴᴅ Rᴀɴɢɪɴɢ.

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ʙ] Wʜᴀᴛ ɪs ᴛʜᴇ ʙᴀsɪᴄ ᴘʀɪɴᴄɪᴘʟᴇ ᴏғ ɪᴛs ᴡᴏʀᴋɪɴɢ ?

➭ Tʜᴇ ᴘʀɪɴᴄɪᴘʟᴇ ᴏғ ʀᴇғʟᴇᴄᴛɪᴏɴ ᴏғ sᴏᴜɴᴅ ɪs ᴜsᴇᴅ ɪɴ SONAR.

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ᴄ] Exᴘʟᴀɪɴ ɪᴛs ᴜsᴇ ?

➭ SONAR ɪs ᴜsᴇᴅ ᴛᴏ ᴍᴇᴀsᴜʀᴇ ᴛʜᴇ ᴅᴇᴘᴛʜ ᴏғ ᴛʜᴇ ᴏᴄᴇᴀɴ. Uʟᴛʀᴀsᴏɴɪᴄ ᴡᴀᴠᴇs ᴀʀᴇ sᴇɴᴛ ғʀᴏᴍ ᴛʜᴇ sʜɪᴘ ᴅᴏᴡɴ ɪɴᴛᴏ ᴛʜᴇ sᴇᴀ. Tʜᴇʏ ᴀʀᴇ ʀᴇᴄᴇɪᴠᴇᴅ ʙᴀᴄᴋ ᴀғᴛᴇʀ ʀᴇғʟᴇᴄᴛɪᴏɴ ғʀᴏᴍ ᴛʜᴇ sᴇᴀ ʙᴇᴅ. Tʜᴇ ᴅᴇᴘᴛʜ ɪs ᴄᴀʟᴄᴜʟᴀᴛᴇᴅ ʙʏ ɴᴏᴛɪɴɢ ᴛʜᴇ ᴛɪᴍᴇ ᴘᴇʀɪᴏᴅ.

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