50°c is equivalent to : (a) 90°f (b) 122°f (c) 82°f

b

Explanation:

because 1 degree Celsius is equivalent to 33.8 so u have to multiple 50 degree Celsius with 33.8 then u can get the answer

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

i would say the answer is food.

hope this !