MDCAT PHYSICS TOPIC: 4

UNIT :4  

Book: Chapter 7 and 8

Description :Numerically & Theoretically very important.

ü  Simple Harmonic motion:

Read complete article 7.1

Memorize various relations and characteristics of SHM

ü  Amplitude, Frequency, Angular frequency, Phase difference, Time period:

Read all definitions of page number 144

Must clear concepts of angular frequency and frequency, Other relations of angular frequency with T, f, and v are important.

 Read article 7.3 for phase and clear your concepts. Must consult notes.

ü  Displacement, Velocity and Acceleration equations:

Read article  7.2 complete, Memorize different formulae & practice alterations of different formulae.

 Practice phases by applying formulae, Must consult notes.

ü  Motion of simple pendulum and its relations: (Theoretically and numerically v. important topic.Must consult notes)

Read article 7.4 and 7.5, memorize all different formulae of simple pendulum.

Alterations of time period and frequency with altitude and value of g.

Components of tensions are important, must clear concept regarding second pendulum, discuss various cases of pendulum, exercise 7.2 is important.

 

 

ü  Kinetic energy and Potential energy during SHM:

(V.V. Imp numerical topic)

Memorize different formulae and their alterations, practice as much MCQs as you can, must consult notes.

ü  Free, Forced and Damped Oscillations:

Read article 7.7 and 7.9, Memorize important lines.

ü  Resonance:

Read article 7.8 and 7.10, Memorize important lines, and values, Relations of resonance with amplitude and frequency is important. Figure 7.13 is important.

ü Important topics:

SHM, Equations of v, a, x in SHM, Simple pendulum,  Kinetic energy and Potential energy in SHM.

ü Important Questions: 7.1, 7.2, 7.3, 7.4, 7.5, 7.6, 7.13

 

                               Chapter:8

ü  Progressive, Transverse and Longitudinal waves:

Read article 8.1, Skip experiment on page 163, Underline and memorize important lines and definitions, must read articles.

"Phase relationship between two points in a wave" on page 163. Must clear concepts regarding phase difference and wavelength difference.

ü  Principle of superposition:

Read articles 8.4, 8.5 and 8.6, Memorize various characteristics and formulae.

Skip experiments. Practice different variations of formulae.

ü  Stationary waves and wavelength of sound waves in air column and stretched string: (Theoretically and numerically v.v important topic. Must consult notes)

Read articles 8.8, 8.9, and 8.10, Memorize different formulae and make short tricks as given in notes.

Clear concepts regarding nodes and anti-nodes and their energies. Practice different MCQs.

ü  Doppler Effect: (v.v important numerical topic)

Give a read to article 8.11, Memorize general formulae given in notes, Memorize various conventions and cases, just give a read to its application on page 188.

Do you know on page 187 is important.

ü  Important Topic:

 Stationary waves in air column and stretched string Electromagnetic spectrum.

ü  Important Questions:8.2 and 8.8

ü   Important Problems:8.5, 8.6