Question

Q. 3. What is a sundial ?
Ans.​

Answer 1

Answer:

A sundial is a device that tells the time of day when there is sunlight by the apparent position of the Sun in the sky. In the narrowest sense of the word, it consists of a flat plate and a gnomon, which casts a shadow onto the dial.

Explanation:

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Answer 2

Answer:

ᴛʜᴇ ᴏʟᴅᴇꜱᴛ ᴋɴᴏᴡɴ ɪɴꜱᴛʀᴜᴍᴇɴᴛ ꜰᴏʀ ᴛᴇʟʟɪɴɢ ᴛɪᴍᴇ, ᴛʜᴇ ꜱᴜɴᴅɪᴀʟ, ᴀʟʟᴏᴡꜱ ᴜꜱ ᴛᴏ ᴛʀᴀᴄᴋ ᴛʜᴇ ᴘᴏꜱɪᴛɪᴏɴ ᴏꜰ ᴛʜᴇ ꜱᴜɴ ᴍᴏʀᴇ ᴀᴄᴄᴜʀᴀᴛᴇʟʏ. ᴜᴘ ᴜɴᴛɪʟ ᴛʜᴇ ᴇᴀʀʟʏ 19ᴛʜ ᴄᴇɴᴛᴜʀʏ ꜱᴜɴᴅɪᴀʟꜱ ᴡᴇʀᴇ ᴛʜᴇ ᴍᴀɪɴ ɪɴꜱᴛʀᴜᴍᴇɴᴛ ᴘᴇᴏᴘʟᴇ ᴜꜱᴇᴅ ᴛᴏ ᴛᴇʟʟ ᴛɪᴍᴇ. ɪꜰ ᴛʜᴇʏ ᴀʀᴇ ᴄᴏʀʀᴇᴄᴛʟʏ ᴘʟᴀᴄᴇᴅ, ꜱᴜɴᴅɪᴀʟꜱ ᴄᴀɴ ʙᴇ ᴜꜱᴇᴅ ᴛᴏ ᴀᴄᴄᴜʀᴀᴛᴇʟʏ ᴛᴇʟʟ ᴛɪᴍᴇ ᴅᴏᴡɴ ᴛᴏ ᴛʜᴇ ᴍɪɴᴜᴛᴇ!