Question

what is friction of light​

Answer 1

Answer:

ғʀɪᴄᴛɪᴏɴ ɪs ᴛʜᴇ ʀᴇsɪsᴛᴀɴᴄᴇ ᴛᴏ ᴍᴏᴛɪᴏɴ ᴏғ ᴏɴᴇ ᴏʙᴊᴇᴄᴛ ᴍᴏᴠɪɴɢ ʀᴇʟᴀᴛɪᴠᴇ ᴛᴏ ᴀɴᴏᴛʜᴇʀ. ɪᴛ ɪs ɴᴏᴛ ᴀ ғᴜɴᴅᴀᴍᴇɴᴛᴀʟ ғᴏʀᴄᴇ, ʟɪᴋᴇ ɢʀᴀᴠɪᴛʏ ᴏʀ ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛɪsᴍ. ɪɴsᴛᴇᴀᴅ, sᴄɪᴇɴᴛɪsᴛs ʙᴇʟɪᴇᴠᴇ ɪᴛ ɪs ᴛʜᴇ ʀᴇsᴜʟᴛ ᴏғ ᴛʜᴇ ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛɪᴄ ᴀᴛᴛʀᴀᴄᴛɪᴏɴ ʙᴇᴛᴡᴇᴇɴ ᴄʜᴀʀɢᴇᴅ ᴘᴀʀᴛɪᴄʟᴇs ɪɴ ᴛᴡᴏ ᴛᴏᴜᴄʜɪɴɢ sᴜʀғᴀᴄᴇs.

Answer 2

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• Historians divide the past into periods based on the economic and social factors which characterize them. In doing so they are faced with two problems. First, economic and social changes keep taking place hence definite boundaries cannot be drawn. Second, these periods are compared with modernity.