The fundamental unit is —

1. newton
2. pascal
3. hertz
4. second

Which of the following unit is not a fundamental unit:

1. Metre
2. Litre
3. Second
4. Kilogram

One astronomical unit is equal to:

1. 1.496 x 10¹¹ metre
2. 1.596 x 10¹² metre
3. 1.498 x 10¹⁰ metre
4. 1.398 x 10¹¹ metre

The distance of stars from earth is generally measured in:

1. Kilometre
2. Light year
3. Angstrom
4. Fermi