Question

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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:

u = c/v

Velocity = C/u

Velocity = 3 × 10^8/ 1.5

Velocity = 2 × 10^8

Thanks for Reading

Answer 2

hopes it's helps uh!!!!!!