Physics Symbols List and Their Names

Symbol Quantity/ Coefficients S.I Unit
U Potential energy Joule
Vg Gravitational potential Joule per kilogram
η Efficiency Unitless
P Power Watt

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What does μ stand for in physics?

The lowercase Greek letter mu (µ) is used to represent the prefix multiplier 0.000001 (10 6 or one millionth). For example, 0.000000001 farad or 10 9 F of capacitance is commonly written as 0.001 µF.

What is U in terms of physics?

u is initial velocity. v is the final velocity. a is acceleration. t is the time period.

What does U mean in physics velocity?

Initial Velocity is the velocity at time interval t = 0 and it is represented by u. It is the velocity at which the motion starts.

What is this symbol μ?

Micro (Greek letter μ (U+03BC) or the legacy symbol µ (U+00B5)) is a unit prefix in the metric system denoting a factor of 106 (one millionth). Confirmed in 1960, the prefix comes from the Greek μικρός (mikrós), meaning “small”. The symbol for the prefix is the Greek letter μ (mu).

What is μ value?

The µ-value (“mu-value”) of a material is also known as its “ water vapour resistance factor”. It is a measure of the material’s relative reluctance to let water vapour pass through, and is measured in comparison to the properties of air.

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What is V and U in physics?

The equations of motion relate to the following five quantities: u – initial velocity. v – final velocity. a – acceleration.

What is the R in physics?

r = radius. R = resistance. R = molar gas constant.

What is V and U in light?

if v is the image distance and u is the object distance. So, It can be also defined as the ratio of the height of the image to the height of the object.

What is U in physics class 9?

u is initial velocity. v is the final velocity. a is acceleration. t is the time period.

What does U mean in velocity?

u is initial velocity in m/s. t is time in s. For example, a car accelerates in 5 s from 25 m/s to 3 5m/s. Its velocity changes by 35 – 25 = 10 m/s. Therefore its acceleration is 10 ÷ 5 = 2 m/s 2.

What does μ mean in math?

μ = ( Σ Xi ) / N. The symbol ‘μ’ represents the population mean. The symbol ‘Σ Xi‘ represents the sum of all scores present in the population (say, in this case) X1 X2 X3 and so on. The symbol ‘N’ represents the total number of individuals or cases in the population.

What is the U symbol in math?

Union of two sets: ∪ The union of two sets is represented by ∪. (Don’t confuse this symbol with the letter “u.”)