Question

what is the meaning of convection? (a)cold rises heat falls (b)heat (c)cold (d)hot rises cold falls​

Answer 1

ǫᴜᴇsᴛɪᴏɴ = what is the meaning of convection? (a)cold rises heat falls (b)heat (c)cold (d)hot rises cold falls ?

ᴀɴs =

• ᴅ) ɪ.ᴇ ʜɪᴛ ʀɪsᴇs ᴀɴᴅ ᴄᴏʟᴅ ғᴀʟʟs

ʟᴇᴛs ᴇxᴘʟᴀɪɴ ɪᴛ ᴡɪᴛʜ ɪᴛs ᴅᴇғɪɴᴀᴛɪᴏɴ :-

• the process in which heat moves through a gas or a liquid as the hotter part rises and the cooler, heavier part sinks

ᴍᴀʀᴋ ᴍᴇ ʙʀᴀɪɴɪsᴛ ɪғ ʏᴏᴜ ɢᴏᴛ ʜᴇʟᴘᴇᴅ

Answer 2

Answer:

Explanation:the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.