Question

1)Refraction through the prisam diagram
2)how the rainbow formed in the sky
3)why the stars to be twinkling/ planets won't be twinkling
4)what is tyndall effect?
Why sky appears blue colour?
5)advanced sunrise and delayed sunset reasons​

Answer 1

Answer:

ɪ) ʀᴇғʀᴀᴄᴛɪᴏɴ ɪs ᴛʜᴇ ʙᴇɴᴅɪɴɢ ᴏғ ʟɪɢʜᴛ ᴡʜᴇɴ ɪᴛ ɢᴏᴇs ғʀᴏᴍ ᴏɴᴇ ᴍᴇᴅɪᴜᴍ ᴛᴏ ᴀɴᴏᴛʜᴇʀ sᴏ, ᴡʜᴇɴ ᴀ ʀᴀʏ ᴏғ ʟɪɢʜᴛ ᴘᴀssᴇs ᴛʜʀᴏᴜɢʜ ᴀ ɢʟᴀss ᴘʀɪsᴍ, ʀᴇғʀᴀᴄᴛɪᴏɴ ᴏғ ʟɪɢʜᴛ ᴏᴄᴄᴜʀs ʙᴏᴛʜ, ᴡʜᴇɴ ɪᴛ ᴇɴᴛᴇʀs ᴛʜᴇ ᴘʀɪsᴍ ᴀs ᴡᴇʟʟ ᴀs ᴡʜᴇɴ ɪᴛ ʟᴇᴀᴠᴇs ᴛʜᴇ ᴘʀɪsᴍ. ɪɴ ᴛʜɪs ᴄᴀsᴇ ᴛʜᴇ ʀᴀʏ ᴏғ ʟɪɢʜᴛ ɪs ᴅᴇᴠɪᴀᴛᴇᴅ ᴏɴ ᴘᴀssɪɴɢ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ᴘʀɪsᴍ.

ɪɪ) ᴀ ʀᴀɪɴʙᴏᴡ ɪs ᴄᴀᴜsᴇᴅ ʙʏ sᴜɴʟɪɢʜᴛ ᴀɴᴅ ᴀᴛᴍᴏsᴘʜᴇʀɪᴄ ᴄᴏɴᴅɪᴛɪᴏɴs. ʟɪɢʜᴛ ᴇɴᴛᴇʀs ᴀ ᴡᴀᴛᴇʀ ᴅʀᴏᴘʟᴇᴛ, sʟᴏᴡɪɴɢ ᴅᴏᴡɴ ᴀɴᴅ ʙᴇɴᴅɪɴɢ ᴀs ɪᴛ ɢᴏᴇs ғʀᴏᴍ ᴀɪʀ ᴛᴏ ᴅᴇɴsᴇʀ ᴡᴀᴛᴇʀ. ᴛʜᴇ ʟɪɢʜᴛ ʀᴇғʟᴇᴄᴛs ᴏғғ ᴛʜᴇ ɪɴsɪᴅᴇ ᴏғ ᴛʜᴇ ᴅʀᴏᴘʟᴇᴛ, sᴇᴘᴀʀᴀᴛɪɴɢ ɪɴᴛᴏ ɪᴛs ᴄᴏᴍᴘᴏɴᴇɴᴛ ᴡᴀᴠᴇʟᴇɴɢᴛʜs--ᴏʀ ᴄᴏʟᴏʀs. ᴡʜᴇɴ ʟɪɢʜᴛ ᴇxɪᴛs ᴛʜᴇ ᴅʀᴏᴘʟᴇᴛ, ɪᴛ ᴍᴀᴋᴇs ᴀ ʀᴀɪɴʙᴏᴡ.

ɪɪɪ) sᴛᴀʀs ᴛᴡɪɴᴋʟᴇ ʙᴇᴄᴀᴜsᴇ … ᴛʜᴇʏ'ʀᴇ sᴏ ғᴀʀ ᴀᴡᴀʏ ғʀᴏᴍ ᴇᴀʀᴛʜ ᴛʜᴀᴛ, ᴇᴠᴇɴ ᴛʜʀᴏᴜɢʜ ʟᴀʀɢᴇ ᴛᴇʟᴇsᴄᴏᴘᴇs, ᴛʜᴇʏ ᴀᴘᴘᴇᴀʀ ᴏɴʟʏ ᴀs ᴘɪɴᴘᴏɪɴᴛs. ᴘʟᴀɴᴇᴛs sʜɪɴᴇ ᴍᴏʀᴇ sᴛᴇᴀᴅɪʟʏ ʙᴇᴄᴀᴜsᴇ ᴛʜᴇʏ'ʀᴇ ᴄʟᴏsᴇʀ ᴛᴏ ᴇᴀʀᴛʜ ᴀɴᴅ sᴏ ᴀᴘᴘᴇᴀʀ ɴᴏᴛ ᴀs ᴘɪɴᴘᴏɪɴᴛs, ʙᴜᴛ ᴀs ᴛɪɴʏ ᴅɪsᴋs ɪɴ ᴏᴜʀ sᴋʏ.

ɪᴠ) ᴛʏɴᴅᴀʟʟ ᴇғғᴇᴄᴛ, ᴀʟsᴏ ᴄᴀʟʟᴇᴅ ᴛʏɴᴅᴀʟʟ ᴘʜᴇɴᴏᴍᴇɴᴏɴ, sᴄᴀᴛᴛᴇʀɪɴɢ ᴏғ ᴀ ʙᴇᴀᴍ ᴏғ ʟɪɢʜᴛ ʙʏ ᴀ ᴍᴇᴅɪᴜᴍ ᴄᴏɴᴛᴀɪɴɪɴɢ sᴍᴀʟʟ sᴜsᴘᴇɴᴅᴇᴅ ᴘᴀʀᴛɪᴄʟᴇs.

ᴠ) ɢᴀsᴇs ᴀɴᴅ ᴘᴀʀᴛɪᴄʟᴇs ɪɴ ᴇᴀʀᴛʜ's ᴀᴛᴍᴏsᴘʜᴇʀᴇ sᴄᴀᴛᴛᴇʀ sᴜɴʟɪɢʜᴛ ɪɴ ᴀʟʟ ᴅɪʀᴇᴄᴛɪᴏɴs. ʙʟᴜᴇ ʟɪɢʜᴛ ɪs sᴄᴀᴛᴛᴇʀᴇᴅ ᴍᴏʀᴇ ᴛʜᴀɴ ᴏᴛʜᴇʀ ᴄᴏʟᴏʀs ʙᴇᴄᴀᴜsᴇ ɪᴛ ᴛʀᴀᴠᴇʟs ᴀs sʜᴏʀᴛᴇʀ, sᴍᴀʟʟᴇʀ ᴡᴀᴠᴇs. ᴛʜɪs ɪs ᴡʜʏ ᴡᴇ sᴇᴇ ᴀ ʙʟᴜᴇ sᴋʏ ᴍᴏsᴛ ᴏғ ᴛʜᴇ ᴛɪᴍᴇ.

ᴠɪ) ᴛʜᴇ ᴀᴅᴠᴀɴᴄᴇᴍᴇɴᴛ ɪɴ sᴜɴʀɪsᴇ ᴀɴᴅ ᴅᴇʟᴀʏᴇᴅ sᴜɴsᴇᴛ ᴀʀᴇ ᴛʜᴇ ᴛᴡᴏ ᴘʜᴇɴᴏᴍᴇɴᴀ ᴛʜᴀᴛ ᴀʀᴇ ᴄᴀᴜsᴇᴅ ᴅᴜᴇ ᴛᴏ ᴛʜᴇ ᴀᴛᴍᴏsᴘʜᴇʀɪᴄ ʀᴇғʀᴀᴄᴛɪᴏɴ ᴘʀᴏᴄᴇss. ɪɴ ᴛʜɪs ᴘʀᴏᴄᴇss ᴛʜᴇ sᴜɴ ᴀᴘᴘᴇᴀʀs ᴛᴏ ʀɪsᴇ ᴇᴀʀʟʏ ʙʏ 2 ᴍɪɴᴜᴛᴇs ᴀɴᴅ sᴇᴛ ʙʏ 2 ᴍɪɴᴜᴛᴇs ʟᴀᴛᴇ.