Question

HELLO FRIENDS!! What are the important list of derivations from Waves class 11 cbse?

Answer 1

Chapter 1:- THE PHYSICAL WORLD

the name of Indian sciencetists

4 fundamental forces of nature

Chapter 2:- UNITS AND MESUREMENTS

parallax errors

%age errors

Dimensional analysis

Parsec and other important definitions

Chapter 3:- MOTION IN A STRAIGHT LINE

relative velocity applications

Derivation of 3 eqns of motion

Numericals on equation of motion

Chapter 4:- MOTION IN A PLANE

vector addition,subtraction,dot &cross product

Parralleogram law of vectors

Triangular law of vectors

Equation of path of projectile (horizontal and angular projection) + derivation of corresponding formulas of maximum height , time and range

centrifugral force derivation

Chapter 5:- LAWS OF MOTION

1st 2nd and 3rd law of motion

the derivation of 1st and 3rd law of motion using 2nd law of motion

recoil of a gun

numericals on tension and free body diagrams

frictional force numericals+ derivations

banking of roads (derivation)

vertical circular motion

Chapter 6:- WORK ENERGY AND POWER

Work - energy theorem for variable and constant force + numericals

Numericals on power and efficency of pumps

Elastic and inelastic collision i 1st and 2nd dimension

potential energy of spring

conservation of mechanical energy in a free falling body

Chapter 7:- SYSTEM OF PARTICLES AND ROTATIONAL MOTION

centre of mass

Equillibrium of a rigid body

motion of centre of mass

equations of angular motion

cartesian form of Angular momentum

theorem of prependical and parallel axes

conservation of angular momentum

rolling of an object in an inclined plane

Chapter 8:- GRAVITATION

Derivation of 1st 2nd and 3rd law of Kepler s planetary motion

gravitational potential energy

variation of 'g' with altitude and depth

calculation of 'g'

escape velocity of a satelite

orbital velocity of a satelite

Height of geostationary satelite

Chapter 9:- MECHANICAL PROPERTIES OF SOLIDS

Young and bulk modulus+ numericals

stress v/s strain graph

Chapter 10:- MECHANICAL PROPERTIES OF FLUIDS

Pascal s law

ascent formula

terminal velocity

Surface tension

surface energy

Bernoulli s theorem ➡️ very imp.

stokes law

Chapter 11:- THERMAL PROPERTIES OF MATTER

Thermal expansions +numericals

Numericals on conduction

Chapter 12:- THERMODYNAMICS

Zeroth 1st and 2nd law of

thermodynamics

Performance of carnot engine

Carnot cycle + carnot theorem

Chapter 13:- KINETIC THEORY OF GASES

results of derivation of pressure exerted by the gas

Maxwell distribution of molecular speeds

Chapter 14:- OSCILLATIONS

Derivation of simple harmonic motion

energies at different point during SHM

Derivation of Time period of Simple pendulum, oscillation of a floating cylinder , spring , liquid in utube , body in a tunnel inside earth

Definitions of Resonance ,Free and Forced oscillation

Chapter 15:- WAVES

Types of waves

Newton s calculation of speed of sound

beats and standing waves

Doppler s effect

Hope it helps

thanks.........enjoy physics :)

Answer 2

electric charges and filed , electrostatic potential and capacitance , current electricity , magentic effact off current and magnetism, movieng charges and maganetism , megnetism and matter , electromaganetic waves , dual nature of radiation and matter , atoms and nuclei , electronic devices