Questions

general science general questions

21. Which of the following rays are more penetrating?
A. Beta rays
B. Alpha rays
C. Gamma rays
D. X-rays

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.
22. How many colours the sunlight spectrum has?
A. Three B. Seven
C. Four D. Five

Answer: Option B

Explanation:

No answer description available for this question

More Posts