Class 8 Science (p1,c1,b1)

Which one of the following system of units is the British system of unit?

• CGS

• FPS

• MKS

• SI

Electric current belongs to _____ quantities

• Base

• Derived

• Supplementary

• Professional

SI unit of temperature is

• Celsius

• Fahrenheit

• Kelvin

• Ampere

Amount of substance is

• Directly proportional to the number of atoms

• Directly proportional to the square of number of atoms

• Inversely proportional to the square of number of atoms

• Inversely proportional to the number of atoms

Luminous intensity is the intensity of

• Laser light

• UV light

• Visible light

• IR light

SI unit stands for

• International system of units

• Integrated system of units

• International symbol of units

• Integrated symbol of units

Closeness of two or more measured values is called as

• Accuracy

• Precision

• Error

• Approximation

Quantities other than base quantities are called as

• Supplementary quantities

• Derived quantities

• Professional quantities

• Energy quantities

Matter is composed of

• Atoms

• Molecules

• Ions

• All of the above

The liquid metal used in thermometer is

• Copper

• Gold

• Silver

• Mercury