Podcast
Questions and Answers
What is the modern definition of a second?
What is the modern definition of a second?
The duration of 9192631770 complete oscillations of caesium-133 atom in a standard magnetic field.
What is the unit of time in CGS based on the mean solar day?
What is the unit of time in CGS based on the mean solar day?
1/86400th of mean solar day
How many complete oscillations of caesium-133 atom in a standard magnetic field make up a second?
How many complete oscillations of caesium-133 atom in a standard magnetic field make up a second?
9192631770
How should the product of two units be written?
How should the product of two units be written?
Why are units never capitalized when written in full?
Why are units never capitalized when written in full?
Give an example of a physical quantity that does not have units.
Give an example of a physical quantity that does not have units.
What is the formula for calculating mechanical advantage?
What is the formula for calculating mechanical advantage?
What are the units of volume for a solid body in the CGS, MKS, and SI systems?
What are the units of volume for a solid body in the CGS, MKS, and SI systems?
What are the units of area in the CGS, MKS, and SI systems?
What are the units of area in the CGS, MKS, and SI systems?
Define a litre as a unit of volume.
Define a litre as a unit of volume.
What is the unit of volume for a liquid in the FPS system?
What is the unit of volume for a liquid in the FPS system?
How many millilitres are equivalent to 1 litre?
How many millilitres are equivalent to 1 litre?
What is density of a material defined as?
What is density of a material defined as?
