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Consider the following statements with reference to X-rays :
1. They produce heat when absorbed by matter
2. They are generated when fast moving electrons strike a metal target
3. They can penetrate through a thin sheet of aluminium
Which of the statements given above are correct ?


A) 1,2 and 3

B) 1 and 2

C) 2 and 3

D) 1 and 3

Correct Answer:
A) 1,2 and 3


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