A physical quantity consists of a numerical value and a ___ of measurement.

Unit

Fill in the blank: The larger the unit, the ___ the magnitude.

Smaller

Name the seven fundamental physical quantities.

Length, Mass, Time, Electric Current, Temperature, Amount of Substance, Luminous Intensity

True or False: Derived quantities are independent of fundamental quantities.

False. Derived quantities are calculated from fundamental quantities.

Length is considered a ___ quantity, while area is a ___ quantity.

Fundamental; derived

What is the significance of the product 'nu' in the context of physical quantities?

The product 'nu' remains constant even when the unit changes, indicating the relationship between unit and magnitude.

What is the significance of the International System of Units (SI) in physics?

The International System of Units (SI) provides a globally accepted standard for measurement, enabling consistent communication and comparison of physical quantities across different fields and regions.

Fill in the blank: The SI system consists of ___ fundamental units and ___ supplementary units.

7 fundamental units and 2 supplementary units

The relationship between the magnitude and unit of a physical quantity is that they are ___ to each other.

Inversely proportional

Give an example of a derived quantity and explain how it is derived.

Area is a derived quantity calculated by multiplying length by itself (Length²).

What are the three fundamental quantities in the CGS system, and their corresponding units?

The three fundamental quantities in the CGS system are length (centimetre), mass (gram), and time (second).

Which SI prefix corresponds to a factor of 10^-6?

Micro (μ)

Fill in the blank: The unit 'litre' is equivalent to ___ m³.

10^-3 m³

Multiple Choice: Which of the following is NOT part of the SI system? A) Kilogram B) Foot C) Metre D) Second

B) Foot

The order of magnitude of the radius of the Earth, expressed as 6.4 x 10⁶ m, is ___ m.

10⁷ m

True or False: The order of magnitude for a value of 1.7 x 10⁰ m is 0.

True