royel chess

रुद्राष्टकम् || fast rudrashtkam

class 11 || mathematical physics || slope || lec 1

class 11|| errors ||

class 11 || unit 1|| lec 5

class 11|| unit 1 || lec 4

class11 || unit 1|| lec3

class11 || unit 1|| lec 2

class 11| unit 1 | lec 1

refraction through prism || refractive index of prism ||

totally reflecting prism

class11and12 ||physics practical || spherometer lec 2 || radius of curvature of spherical surface ||

Resonance tube || speed of sound in air by using Resonance Tube ||

class 12 || AC || LCR CIRCUIT ||

CLASS12 || AC || LC CIRCUIT ||

class12 || AC || R L CIRCUIT ||

class12 || A C || R C CIRCUIT ||

class 12 || A C || PURE INDUCTIVE CIRCUIT ||

travelling microscope || चल सूक्ष्मदर्शी | refractive index of glass slab by travelling microscope

heron's formula || find the area of triangle when sides are given ||

area of triangle

class 11 || work power and energy || power ||part 2

class 11 || lec 3 || work power and energy || Energy ||

class 11 || lec 2|| work power and energy || power

class 11|| lec1|| work power and energy ||work ||

Galvanometer || Voltmeter || Ammeter || a quick view

Rheostat || How to use Rheostat || as a current controler || as a voltage divider ||

Resistance box

unsolved mystery of maths || गणित का अनसुलझा रहस्य || a maths fun

square from 1 to 100 very quickly || how to find square quickly ||