Phy 11 Ch-1

The branch of physics which deals with the ultimate particles of which matter is composed is:

• a) Plasma physics
• b) Atomic physics
• c) Nuclear physics
• d) Particle physics

The branch of physics which deals with atomic nuclei is called:

• a) Acoustics
• b) Thermodynamics
• c) Magnetism
• d) Nuclear physics

Silicon is abundantly obtained from:

• a) Water
• b) Metal
• c) Sand
• d) Stones

The number of base units are:

• a) Three
• b) Five
• c) Seven
• d) Nine

Which of the following is a derived quantity:

• a) Force
• b) Mass
• c) Length
• d) Time

Which of the following is an SI base unit?

• a) gram
• b) slug
• c) Newton
• d) kilogram

Which one of the following is not a unit of length:

• a) Angstrom
• b) Micron
• c) Radian
• d) Light year

Which is not a base unit in SI units?

• a) Kilogram
• b) Joule
• c) Ampere
• d) Kelvin

An example of a derived unit is:

• a) Candela
• b) Ampere
• c) Coulomb
• d) Mole

Candela is the SI unit of:

• a) Charge
• b) Luminous intensity
• c) Power
• d) Refractive index