Select the correct statements among the following:
A. Slow neutrons can cause fission in \(\rm ^{235}_{92}U\) than fast neutrons.
B. α-rays are helium nuclei.
C. β-rays are fast moving electrons or positrons.
D. γ-rays are electromagnetic radiations of wavelengths larger than X-rays.
Choose the most appropriate answer from the options given below:
1
A, B and C only
2
A, B and D only
3
A and B only
4
C and D only