Sunday, May 7, 2017

practice problem answers

1.

a.  convex (+f)
b.  75 cm
c.  real
d.  -1.5
e.  larger
f.  upside-down
g.  within f

2.

a.  5.2 E 14 Hz
b.  1.7 E 8 m/s
c.  21 degrees
d.  same as a
e.  3.2 E -7 m (or 320 nm)
f.  33.7 degrees

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