Why we feel sky blue in color, Why we feel sky blue in color?  The blu...

Why we feel sky blue in color?  The blue color of the sky is because of Rayleigh scattering. As light moves by the atmosphere, most of the longer wavelengths pass straight thr

Semiconductor materials: gallium arsenide, Energy gap: 1.4ev at room temper...

Energy gap: 1.4ev at room temperature Its charactistics are very closely related to those of germanium. This is under stable, since Gallium is the third column neighbour and a

Explain working principle of d.c motor, Working Principle of D.C Motor ...

Working Principle of D.C Motor A) An electric motor is a machine which changes electrical energy into mechanical energy. B) When a current carrying conductor is placed in a

Determine the magnitude of the force in direct current, The weightless trus...

The weightless truss shown below supports loads at point A & B and is fastened to the supports at C & E.  The value of F1 in kN is given in P13 and the value of F2 in kN is given i

What is the magnitude of the current in the circuit, A circuit which employ...

A circuit which employs a DIRECT CURRENT source has a branch which has a capacitor.  After the circuit has reached a steady state, what is the magnitude of the current in the c

Penetration and ionization, #question.on which factor ionization and penetr...

#question.on which factor ionization and penetration depend ? how william cloud methode work to decet charge ?.

Surface tension, molecular explanation of surface tension

molecular explanation of surface tension

How to make a sun-dial, Making a sun-dial To withstand all weather, a s...

Making a sun-dial To withstand all weather, a sun-dial should be form of metal or painted wood. A cardboard model can be formed for easy experiments.  The gnomon which casts

Forces and nature,

What is ancient view, What is Ancient view Ancient view: objects tend...

What is Ancient view Ancient view: objects tend to stay if they are in motion; force is needed to keep something moving. This was a natural thing to believe in because we see