Physics Symbols List with Name for Class 11 & 12 PDF

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Physics Symbols List with Name for Class 11 & 12

Physics Symbols Name Class 11 & 12

Symbols for Basic Quantities in Physics:

Physical Quantity	Symbol(s)	Formula	Scalar/ Vector	SI Unit
Mass	m	m= F/a	Scalar	Kilogram (Kg)
Time	t	t = d/s	Scalar	Seconds (s)
Distance, Length	l, d, r	d = s*t	Scalar	Meter (m)
Area	A	A= s²	Scalar	m²
Volume	V	V= lwh	Scalar	m³
Density	D	D= m/V	Scalar	kg/m³
Temperature	T	T= C+ 273	Scalar	Kelvin (K)
Frequency	v	f= 1/T	Scalar	Hertz (Hz)
Heat	Q	Q= c(ΔT*m)	Vector	Joule (J)
Specific Heat Capacity	c	c= Q(ΔT*m)	Scalar	J kg−¹ K−¹
Wavelength	λ	λ= v/f	Scalar	meter (m)
Speed of light & sound	c	c= fλ	Scalar	m/s
Angular frequency	ω	w= 2π/T	Pseudovector	Radian per second (rad/s)

Symbols of Physics in Mechanics:

Physical Quantity	Symbol(s)	Formula	Scalar/ Vector	SI Unit
Velocity	v	v= displacement/ time	Vector	m/s
Acceleration	a	a= v-ut	Vector	meters per second squared (m/s²)
Momentum	p	p= mv	Vector	kg⋅m/s
Period	T	T= 2π√L/g	Scalar	S or sec
Force	F	F = ma	Vector	Newton (N)
Torque	T	T = rFsinθ	Vector	N⋅m
Power	P	P = W/Δt	Scalar	Watt (W)
Mechanical Work	W	W = Fs	Scalar	Joule (J)
Energy	E	E = mc²	Scalar	Joule (J)
Pressure	p	p = F/A	Scalar	Pascal (Pa)
Moment of Inertia	I	I = L/w	Scalar	kg m²
Angular Momentum	L	L = mvr	Vector	kg⋅m²s−¹
Friction	f	f= μN	Vector	Newton (N)
Coefficient of Friction	µ	μ= f/N	Scalar	unitless
Kinetic Energy	K	K.E.= ½ mv²	Scalar	Joule (J)
Potential Energy	U	U = mgh	Scalar	Joule (J)

Symbols of Physics in Electricity & Magnetism:

Physical Quantity	Symbol(s)	Formula	Scalar/ Vector	SI Unit
Current	I	I = V/R	scalar	Ampere(A)
Resistance	R	R= ρL/A	scalar	Ohms(Ω)
Inductance	L	L = Φ(i)/i	scalar	Henry(H)
Capacitance	C	C = q/V	scalar	Farad(F)
Electric Potential Difference	V	V = IR	scalar	Volt(V)
Electric Field	E	E = V/d	vector	Newton per coulomb (N C−¹)
Magnetic Field	B	B= μ0I2πr	scalar	Tesla

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