Which of the following best describes the image from a plane ...

[fnuegbu]

Which of the following best describes the image from a plane mirror?
 a. virtual and magnification equal to one
  b. real and magnification equal to one
  c. real and magnification less than one
  d. virtual and magnification greater than one

Question 2

A waterfall is 70 m high. What is the increase in water temperature at the bottom of the falls if all the initial potential energy goes into heating the water? (g = 9.8 m/s2, cw = 4186 J/kgC)
 a. 0.16C
  c. 0.69C
  b. 0.34C
  d. 1.04C

[firehawk60]

Answer to Question 1

A

Answer to Question 2

A