Atoms And Nuclei Question 25
Question: A beam of fast moving alpha particles were directed towards a thin film of gold. The parts and of the transmitted and reflected beams corresponding to the incident parts A, B and C of the beam, are shown in the adjoining diagram. The number of alpha particles in [CPMT 1986, 88; RPET 2000]
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: B
Solution:
Because atom is hollow and whole mass of atom is concentrated in a small centre called nucleus.