The uncertainity principle and the concept of wave nature of matter were proposed by ----------and ----------respectively .

Which phenomem establish the wave nature of light?

Is there any difference between light wave and matter wave?

Obtain Bohr's quantisation conditon on the basis of the wave nature of an electron.

Explain Huygen's principle of wave optics.

The frequencies and velocities of two waves are equal. If wavelengths of the two waves are lambda_1 and lambda_2 respectively, then.

in what respects radio waves and gamma rays are different ?

The sum of two natural numbers is 40 their HCF and LCM are 5 and 75, respectively. Find them.

When measured from outside,the length,breadth and height of a top-open metal box of thickness 0.5cm.were found to be 10cm.,9cm and 2.5cm respectively.Find the volume of the metal needed to make the box and the capacity of the box as well.