Units and Measurement Quiz 1

A physical quantity may be defined as

Which of the following is the fundamental unit?

Which of the following is NOT a fundamental quantity?

The distance of the planet from the earth is measured by _____

Which of the following is NOT a unit of time?

The two stars $S_1$ and $S_2$ are located at distances $d_1$ and $d_2$ respectively. Also if $d_1$ > $d_2$ then following statement is true.

An atomic clock makes use of _____

S.I. unit of energy is joule and it is equivalent to

[$L^1 M^1 T^{-1}$ ] is an expression for _______

Dimensions of sin $\theta$ is