Question

The radiations from a naturally occuring radioactive substance as seen after deflection by a magnetic field in one direction are
a.Only `alpha`-rays b. Only `beta`-rays
c. Both `alpha`-and `beta-`rays d. Either `alpha`-or `beta`-rays
A. Definitely alpha rays
B. Definitely beta rays
C. Both alppha and beta rays
D. Either alpha or beta rays

Answer 1

Correct Answer - D
A naturally occuring substance may emit either alpha or beta rays.