Teaching UP PGT Mock Test Series 2024 Physics Atoms De Broglie’s Explanation of Bohr’s Second Postulate of Quantisation
An α particle and a proton are accelerated from rest by a potential difference of 200 V. After this, their de Broglie wavelengths are λα and λp respectively. The ratio \(\frac{λp}{λα}\) is :
1
2.8
2
8
3
7.8
4
3.8