1
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Choose the correct statement of the following

A
The nuclear density in general, is independent of mass number A.
B
The radius of nucleus is directly proportional to the mass number of A of the nucleus.
C
The binding energy of a nucleus is inversely proportional to its mass defect.
D
Energy is observed when heavy nuclei undergo transmutation into light nuclei.
2
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

A ancient discovery found a sample, where $$75 \%$$ of the original carbon ($$\mathrm{C}^{14}$$) remains. Then the age of the sample is $$\binom{T_{\frac{1}{2}}\left(C^{14}\right)=5730 \text { years, } \ln 0.5=-0.7}{\ln (0.75)=-0.3} $$

A
2300 years
B
2456 years
C
2546 years
D
3456 years
3
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Frequencies in the UHF range normally propagate by means of

A
Space waves
B
Surface waves
C
Ground waves
D
Sky waves
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