Atomic Structure Question 116
Question: The increasing order (lowest first) for the values of $ e/m $ (charge/mass) for
Options:
A) $ e,,p,,n,,\alpha $
B) $ n,,p,,e,,\alpha $
C) $ n,,p,,\alpha ,e $
D) $ n,,\alpha ,,p,,e $
Show Answer
Answer:
Correct Answer: D
Solution:
$ \frac{e}{m} $ for (i) neutron $ =\frac{0}{1}=0 $ (ii) $ \alpha - $ particle $ =\frac{2}{4}=0.5 $ (iii) Proton $ =\frac{1}{1}=1 $ (iv) electron $ =\frac{1}{1/1837}=1837 $ .
