Chemical Engineering
Q Cobalt – 60 is used as a source of _____________ in medical therapy & industrial radiography?
  • A A. X-rays
  • B B. Γ-rays
  • C C. Α-rays
  • D D. Β-rays
Previous __________________ is used for tying the steel columns …
Next _______________ is the hardest oxide and is hence used …
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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