Question

Q.3. what is a lunar month? If one physical quantity is defined in terms of
work
e/ time , then name the physical quantity. Derive the unit of this physical quantity
time
in terms of fundamental units.​

Answer 1

In lunar calendars, a lunar month is the time between two successive syzygies. The precise definition varies, especially for the beginning of the month. For other definitions, including a description of a month in the calendars of different cultures around the world, see: month.