General Knowledge - General Science

Exercise :: General Science - Nuclear Science

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. Let us discuss.

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