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 $S_{1}S\_1$ and $S_{2}S\_2$ are located at distances $d_{1}d\_1$ and $d_{2}d\_2$ respectively. Also if $d_{1}d\_1$ > $d_{2}d\_2$ then following statement is true.

An atomic clock makes use of _____

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

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

Dimensions of sin $\theta \backslash theta$ is