Question

guys please answer my questions ​
answer correctly

Answer 1

Answer:

medium y

Explanation:

angle of incidence= 55°

angle of refraction = 90°-65°=25°

so,

i>r

so, the medium y is denser.

Answer 2

Answer:

given above

Explanation:

have a look in that picture .

please mark me brainliest and also give Thanks if you have get any help from my answer.