Author Question: Dez pours water (n = 1.333) into a container made of crown glass (n = 1.52). The light ray in glass ... (Read 120 times)

neverstopbelieb · **on:** Jul 28, 2018

Dez pours water (n = 1.333) into a container made of crown glass (n = 1.52). The light ray in glass incident on the glass-to-liquid boundary makes an angle of 30.0 with the normal. Find the angle of the corresponding refracted ray.
a. 19.2
c. 55.5
b. 34.8
d. 27.2

Question 2

Iced tea is made by adding ice to 3.0 kg of hot tea, initially at 80C. How many kg of ice, initially at 0C, are required to bring the mixture to 10C? (Lf = 3.33 x 105 J/kg, cw = 4186 J/kgC)
a. 2.8 kg
c. 1.4 kg
b. 1.6 kg
d. 2.3 kg