engineering recuitment ISRO Scientific Assistant Physics 2020 Physics Atoms De Broglie’s Explanation of Bohr’s Second Postulate of Quantisation
A proton and an α particle are accelerated through the same potential difference V. The ratio of their de Broglie wavelengths is
1
√2 :1
2
2√2 :1
3
√3 :1
4
2√3 :1