1.

What is photoelectric effect?​

Answer»

ᴇᴄᴛʀɪᴄ ᴇғғᴇᴄᴛᴛʜᴇ ᴘʜᴏᴛᴏᴇʟᴇᴄᴛʀɪᴄ ᴇғғᴇᴄᴛ ɪs ᴛʜᴇ ᴇᴍɪssɪᴏɴ ᴏғ ᴇʟᴇᴄᴛʀᴏɴs ᴏʀ ᴏᴛʜᴇʀ ғʀᴇᴇ ᴄᴀʀʀɪᴇʀs ᴡʜᴇɴ ʟɪɢʜᴛ ʜɪᴛs ᴀ ᴍᴀᴛᴇʀɪᴀʟ. ᴇʟᴇᴄᴛʀᴏɴs ᴇᴍɪᴛᴛᴇᴅ ɪɴ ᴛʜɪs ᴍᴀɴɴᴇʀ ᴄᴀɴ ʙᴇ ᴄᴀʟʟᴇᴅ ᴘʜᴏᴛᴏᴇʟᴇᴄᴛʀᴏɴs. ᴛʜɪs ᴘʜᴇɴᴏᴍᴇɴᴏɴ ɪs ᴄᴏᴍᴍᴏɴʟʏ sᴛᴜᴅɪᴇᴅ ɪɴ ᴇʟᴇᴄᴛʀᴏɴɪᴄ ᴘʜʏsɪᴄs, ᴀs ᴡᴇʟʟ ᴀs ɪɴ ғɪᴇʟᴅs ᴏғ ᴄʜᴇᴍɪsᴛʀʏ, sᴜᴄʜ ᴀs ǫᴜᴀɴᴛᴜᴍ ᴄʜᴇᴍɪsᴛʀʏ ᴀɴᴅ ᴇʟᴇᴄᴛʀᴏᴄʜᴇᴍɪsᴛʀʏ



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