Physics Course/Relativity

Relativity

According to Newton Mass of any moving object remains the same regardless of speed travel . According to Einstein any moving object has Mass changes with speed travel

Relativity Theory

Change in Mass relate to speed travels

Speed of light is alsway constant , v = C . When matter moves at speed of light, matter no longer has mass . Observed fron Plank in experiment with Black Body Radiation

$m=0$ when $v=C$

All matter moves at speed less than speed of light has a mass of m_o

$m=m_o$ when $v<C$

Therefore for any matter moving at speed less than speed of light but not equal to the speed of light

$m=m_o(1+\frac{v}{C})$

Wave length of a Momentum

Any momentum travels at speed of light C carries quantum energy $E=h\frac{C}{\lambda }$ will have a wavelength

$\lambda =\frac{h}{p}=\frac{h}{C}\frac{1}{m}$

Which can be easily proved

$pC=h\frac{C}{\lambda }$

$\lambda =\frac{h}{p}=\frac{h}{C}\frac{1}{m}$