Q. Why was the Thomson’s Model of an atom failed?
i. It could not explain the screening of negative charges from that of positive
ii. It did not tell about the presence of electrons
iii. It did not give an idea about the discrete energy levels
iv. It explained the atom as a whole to be electrically neutral
Choose the correct option from the following:
A. Only (iii)
B. Both (i) & (iii)
C. Only (i)
D. Both (ii) & (iv)
Answer: Both (i) & (iii)
