Question

1.The work functions for potassium and caesium are 225 eV and 2.14 eV
respectively. Will the photoelectric effect occur for either of these elements
(1) with incident light of wavelength 5650 Å () with light of wavelength
5180 Å?
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Answer 1

Answer:

your answer is in 3 different attachments

Answer 2

ᴘʜᴏᴛᴏꜱʏɴᴛʜᴇꜱɪꜱ ɪꜱ ᴀ ᴘʀᴏᴄᴇꜱꜱ ᴜꜱᴇᴅ ʙʏ ᴘʟᴀɴᴛꜱ ᴀɴᴅ ᴏᴛʜᴇʀ ᴏʀɢᴀɴɪꜱᴍꜱ ᴛᴏ ᴄᴏɴᴠᴇʀᴛ ʟɪɢʜᴛ ᴇɴᴇʀɢʏ ɪɴᴛᴏ ᴄʜᴇᴍɪᴄᴀʟ ᴇɴᴇʀɢʏ ᴛʜᴀᴛ, ᴛʜʀᴏᴜɢʜ ᴄᴇʟʟᴜʟᴀʀ ʀᴇꜱᴘɪʀᴀᴛɪᴏɴ, ᴄᴀɴ ʟᴀᴛᴇʀ ʙᴇ ʀᴇʟᴇᴀꜱᴇᴅ ᴛᴏ ꜰᴜᴇʟ ᴛʜᴇ ᴏʀɢᴀɴɪꜱᴍ'ꜱ ᴍᴇᴛᴀʙᴏʟɪᴄ ᴀᴄᴛɪᴠɪᴛɪᴇꜱ.