The term angle of deviation is used in reference to
a. a polarizer.
b. a prism.
c. a lens.
d. an analyzer.

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.