PHYSICS SUMMARY AND FORMULAE FOR LAST MINUTE REVISION FOR FREE !!!

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Physics' HandBook ~
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3. Unit. Dimension, Measurements and Practical Physics --- 13 'r
" 4.
5.
Kinematics - ------ - - - - - - - - - - ------
Laws of Motion and Friction - - - - - - - - -- ...- -
23
33




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6. Work, Energy and Power - . - - - -- - - . - - - - . - 41
7. Circular Motion ----------- - - - . -.. - - - - - - 47
8. Collision and Centre of Mass --.-- - - -. -. - - . - - 53
9. Rotational Motion - - . - - -- .-.-.-.--.--.-.--.-.. - 60




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10. Gravitation -.-.------.-.-.--.---.---.--.- ..-.-. 65
1l. Properiies of Matter and Ruid Mechanics .-.--.-.-.--.-. 69-83
(A) Elasticity -.-----.---.-...--.-... --.-.-.-..- 69
(B) Hydrostatics - - - - - - - . -...-----.-----.-.-. 73
(C) Hydrodynamics - --.-- - - - - - . - -- ..- --. 76
(D) Surface Tension -.---.--.--- - - - -.----. 78
(E) Viscosity . - - - - - - -.-.--- - - - - - - -- - - 82
12. Thermal Physics - . - - - - - - - - - - .---.---- 8 4-101
Temperature Scales and Thermal Expansion - - - -- .- 84
CalOrimetry ---~ ---------------­ 88
Heat Transfer . - - - - 89
Kinetic Theory of Gases - - - - - - . 93
Thermodynamics ------- 97
13. Oscillations . - - -- - - - - - - -- - - - - - - - - -.- 10 2-11 2
(A) Simple Harmonic Motion .- - - -- - - . - - - -.-... 102
(B) Free, Damped and Forced Oscillations & Resonance .- 110 m
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14. Wave Theory and Doppler's Effect -.-.-.-.-.. --.-.- ......
15. Electrostatics - -.-.-.-.-.-.-.-.- .. -.-.-.--.--.-.-.-.-.-.-


I 16.
17.
18.
19.
Capacitance and Capacitor --------------------------------
Current electricity and Heating Effects of Current -.-.---
Magnetic Effect of current and Magnetism ---------------
Electromagnetic Induction - . - - - - - - --- --------
133
138
147
155
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20 . Alternating Current and EM Waves .------- - - - -. 161
21. Ray Optics and Optical Instruments - - - -- - -- - - - 165
22. Wave Nature of Ught and Wave Optics - - - - - ---. 178
• 18 2
23. Modern Physics
24. Semiconductor and Digital electronics . - - -- - 195
25. Communication Systems 201
26. Important Tables -----.-- - - ---- 2 11-2 12
(a) Some Fundamental Constants .-.- - - - - - -.. - - .-
(b) Conversions - -.--.---.-.-.--..--.- -_.--.-...
(c) Notations for units of measurements -------
(d) Decimcal prefixes for units of measurements ----- --
27. Dictio nary of Physics .-.-.-.------ - - - - .-.-.-- 213

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• Quadratic equation
-b ± ,Jb' - 4.c
Roots of ax 2 + bx + c=O are x
2.
b
Sum of roots Xl + Xz = --;
•
• Binomial theorem
nln - 1) nln - lKn - 2) J
11+x)' = 1 +nx+---x'+ 6 x + ....
2
1)' 1 n (n -1) , n(n -IXn - 2) J
1 - X = -nx+ 2 x 6 x+ .....

If x«l then 11+x)' '" 1 + nx & II-x)' '" 1-nx
• logarithm
m
logmn=Jogm+logn log - zJog m-Jog .,
Jogm' =nlogm Jog.~ = 2.303 ;oglom
Jog2 = 0.3010 Jog 3 = 0.4771
• Componendo and dividendo theorem
p. p+q a+b
If - = - then - - = - -
q b p-q .-b

• Arithmetic progresslon-AP
a, .+d, a+2d, a+3d, .....• +In - 1)d here d = common difference

Sum of n tenns S = ~ 12.+In-l)d1
" 2
~
~ . n(n+1)
i Note: II) 1+2+3+4+5... .+ n = - 2 -

J I") l' +2' + 3'+ ... + n ,_ n(n + 1)(2n
6 + 1)

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• Geometrical progresslon-GP
at ar, ar2. ar3• ...... here. r - common ratio
•
1 Sum of n tenns S ,
a(l-r') '
Sum of <Xl
•
terms 5. - ' l-r
l-r
E " 1