Question

Refractive Index Of Water Is 4/3 And Glass Is 3/2 Wuth Regard To Air What Is The Refractive Index Of Glass With Repect To Water

Answer 1

The refractive index of water with respect to

air 4/3 i.e. the speed of light in air/ speed of light

in water 4/3 (1) The refractive index of glass with

respect to air 3/2 i.e., speed of light in air/ speed

of light in glass 3/2 (2) By dividing equation 2 by

1, we get, The refractive index of glass with respect

to water 9/8

Answer 2

$\huge\mathfrak{Bonjour!!}$

$\huge\fcolorbox{black}{aqua}{Solution:-}$

✒ᴀɴsᴡᴇʀ:-

⛄ ᴛʜᴇ ʀᴇғʀᴀᴄᴛɪᴠᴇ ɪɴᴅᴇx ᴏғ ɢʟᴀss ᴡɪᴛʜ ʀᴇsᴘᴇᴄᴛ ᴛᴏ ᴡᴀᴛᴇʀ ɪs 9/8.

✒ ᴇxᴘʟᴀɴᴀᴛɪᴏɴ:-

⛄ʀᴇғʀᴀᴄᴛɪᴠᴇ ɪɴᴅᴇx ᴏғ ᴀɪʀ μ1 = 1

ʀᴇғʀᴀᴄᴛɪᴠᴇ ɪɴᴅᴇx ᴏғ ᴡᴀᴛᴇʀ ᴡɪᴛʜ ʀᴇsᴘᴇᴄᴛ ᴛᴏ ᴀɪʀ = μ21 = μ2 = 4/3

ʀᴇғʀᴀᴄᴛɪᴠᴇ ɪɴᴅᴇx ᴏғ ɢʟᴀss ᴡɪᴛʜ ʀᴇsᴘᴇᴄᴛ ᴛᴏ ᴀɪʀ = μ31 = μ3 = 3/2

ᴛʜᴇʀᴇғᴏʀᴇ,

ʀᴇғʀᴀᴄᴛɪᴠᴇ ɪɴᴅᴇx ᴏғ ɢʟᴀss ᴡɪᴛʜ ʀᴇsᴘᴇᴄᴛ ᴛᴏ ᴡᴀᴛᴇʀ ɪs

μ32 = μ31 × μ12 = μ31/μ21 = μ3/μ2

ᴏʀ

μ32 = (3/2)/(4/3) = 9/8

★ ᴛʜᴇʀᴇғᴏʀᴇ, ᴛʜᴇ ʀᴇғʀᴀᴄᴛɪᴠᴇ ɪɴᴅᴇx ᴏғ ɢʟᴀss ᴡɪᴛʜ ʀᴇsᴘᴇᴄᴛ ᴛᴏ ᴡᴀᴛᴇʀ ɪs 9/8.

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