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physics formulas

Tanmoy Saha
05/03/2020 1 0

Physics formulas for 10th

Density is mass per unit volume
Density = mass / volume

velocity = displacement / time

Force = rate of change of momentum

Momentum = mass . velocity

Power is rate of work done
Power = work / time
Unit of power is watt

Potential energy (P)
PE = m.g.h
m = mass
g = acceleration due to gravity (9.81m/s2)
h = height

Kinetic energy (P)
P = (1/2).m.v2
m = mass
v = velocity

Ohm's law
V = I . R
V = voltage applied
R = Resistance
I = current

Electric power (P) = (voltage applied) x (current)
P = V . I = I2 . R
V = voltage applied
R = Resistance
I = current

OPTICS
Index of refraction

n = c/v

n - index of refraction
c - velocity of light in a vacuum
v - velocity of light in the given material

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