A waxing phase of the Moon can be seen
a. 10 days after a full moon.
b. 10 days after a new moon.
c. 10 days before a new moon.
d. none of these
Question 2
A plane mirror stands vertically on a table. A ruler lies on the table in such a position as to make an angle of 30 with the mirror. Determine the angle between the ruler and its image.