যদি একটি মাধ্যমের আলোর গতি 1. 5 xx 10^(8) m//s হয়, তাহলে পরম প্রতিসরণ সূচক কত...

Velocity of light in a liquid is 1.5 xx 10^(8) m//s and in air, it is 3 xx 10^(8)m//s . If a ray of light passes from this liquid to air, calculate the value of critical angle.

If the speed of light in a medium is 1. 5 xx 10^(8) m//s , what is the absolute refractive index of the medium ?

The velocity of light in glass whose refractive index w.r.t, air is 1.5 is 2 xx 10^(8) m//s . In a certain liquid, the velocity of light is found to be 2.5 xx 10^(8) m//s . The refractive index of the liquid w.r.t. air is

If the speed of light in a medium is 2.5 xx 10^(8) m/s , its absolute refraction index ~= ………………..

The velocities of light in ice and diamond are 2.3 xx 10^(8)m//s and 1.25 xx 10^(8) m//s respectively. The R.I. of diamond with respect to ice is

The wave number of a beam of light in air is 5 xx 10^(6) m^(-1) . If the velocity of light in air is 3 xx 10^(8) m//s , find the frequency of the light.

The speed of light in air and glass is 3 xx 10^(8) m//s , and 2 xx 10^(8)m//s respectively. A beam of light falls on a glass at an angle of 30^(@) with the surface. The angle of refraction in glass is