1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A sample of radioactive element has a mass of 10 g at an instant t = 0. The approximate mass of this element in the sample after two mean lives is
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A nuclear reaction given by
ZXA $$ \to $$ z+1YA + $$-$$1e0 + $$\overline v $$ represents
ZXA $$ \to $$ z+1YA + $$-$$1e0 + $$\overline v $$ represents
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
The volume occupied by an atom is greater than the volume of the nucleus by a factor of about
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A sample of radioactive element containing 4 $$ \times $$ 1016 active nuclei. Half life of element is 10 days, then number of decayed nuclei after 30 days
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