Units & Dimensions

Which one is not a dimension?

• Length

• Mass

• Time

• Kelvin

Which one is a unit?

• Feet

• Second

• Square meter

• All of the mentioned

When quantities with units are added or subtracted, they need to be expressed in the _____________ unit.

• Different

• Same

• Derived

• Fundamental

Which one is an incorrect conversion?

• 1 inch = 2.54 cm

• 1 mile = 5280 ft

• 1 ft = 12 inch

• None of the mentioned

The unit of length SI (metric) system is

• cm

• m

• in

• yd

The below given distance units are arranged in an order of

nm, mm, dm, m, Km

• Smallest to largest

• Largest to smallest

• Not arranged in any correct order

• None of the mentioned

Find out the dimensionless quantity

• Pressure

• Reynolds Number

• Viscosity

• Density

Which of the following is not a base unit?

• meter

• newton

• kilogram

• second

Which of the following is a derived unit?

• metre

• second

• kilogram

• joule

1 nanometer equals to

• 10 $-9$ m

• 10 $-3$ m

• 10 $-6$ m

• 10 $-1$ m