Question

Define formula for intensity of electromagnetic wave

Answer 1

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$\bf{\underline\red{Innocent-kamina-here }}$

• . ᴛʜᴇ ᴇɴᴇʀɢʏ ᴄᴀʀʀɪᴇᴅ ʙʏ ᴀɴʏ ᴡᴀᴠᴇ ɪs ᴘʀᴏᴘᴏʀᴛɪᴏɴᴀʟ ᴛᴏ ɪᴛs ᴀᴍᴘʟɪᴛᴜᴅᴇ sǫᴜᴀʀᴇᴅ. ғᴏʀ ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛɪᴄ ᴡᴀᴠᴇs, ᴛʜɪs ᴍᴇᴀɴs ɪɴᴛᴇɴsɪᴛʏ ᴄᴀɴ ʙᴇ ᴇxᴘʀᴇssᴇᴅ ᴀs ɪᴀᴠᴇ=ᴄϵ0ᴇ202 ɪ ᴀᴠᴇ = ᴄ ϵ 0 ᴇ 0 2 2 , ᴡʜᴇʀᴇ ɪᴀᴠᴇ ɪs ᴛʜᴇ ᴀᴠᴇʀᴀɢᴇ ɪɴᴛᴇɴsɪᴛʏ ɪɴ ᴡ/ᴍ2, ᴀɴᴅ ᴇ0 ɪs ᴛʜᴇ ᴍᴀxɪᴍᴜᴍ ᴇʟᴇᴄᴛʀɪᴄ ғɪᴇʟᴅ sᴛʀᴇɴɢᴛʜ ᴏғ ᴀ ᴄᴏɴᴛɪɴᴜᴏᴜs sɪɴᴜsᴏɪᴅᴀʟ ᴡᴀᴠᴇ.

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Answer 2

Answer:

I ave= c €0E022 where I ave=is average intensity in w/m^2 and Eo is maximum electric field strength of a continuous sinusoidal wave.

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