Question

❥

❥

ʟɪɢʜᴛ ᴇɴᴛᴇʀs ғʀᴏᴍ ᴀɪʀ ᴛᴏ ɢʟᴀss ʜᴀᴠɪɴɢ ʀᴇғʀᴀᴄᴛɪᴠᴇ ɪɴᴅᴇx 1.5. ᴡʜᴀᴛ ɪs ᴛʜᴇ sᴘᴇᴇᴅ ᴏғ ᴛʜᴇ ʟɪɢʜᴛ ɪɴ ᴛʜᴇ ɢʟᴀss? (sᴘᴇᴇᴅ ᴏғ ʟɪɢʜᴛ ɪɴ ᴠᴀᴄᴜᴜᴍ ɪs 3× 10^8 ᴍs -1 )​

Answer 1

Answer:

n=1.5

C=3×10^8

1.5=3×10^8/v

v=3×10^8/1.5

v=3×10^8/15×10

v=2×10^8m/s

Explanation:

hope it will help uuu...

Answer 2

Explanation:

ʜᴇʟʟᴏ ᴠᴀʀᴜ ♡

ʏᴏᴜʀ ᴀɴsᴡᴇʀ ɪs ɪɴ ᴛʜᴇ ᴘɪᴄᴛᴜʀᴇ