Author Question: What is the phase difference in a Young's double slit experiment where the intensity is half that of ... (Read 54 times)

Coya19@aol.com · **on:** Jul 29, 2018

What is the phase difference in a Young's double slit experiment where the intensity is half that of the central maximum?

A)

45
B)

180
C)

90
D)

23
E)

245

Question 2

How much heat is required to change 456 g of ice at -25.0C into water at 25.0C? The specific heat of ice is 2090 J/(kgK)and the latent heat of fusion of water is 33.5 104 J/kg.

A)

224 kJ

B)

153 kJ

C)

112 kJ

D)

71.5 kJ

E)

72.5 kJ