1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
If radius of the $$\matrix{ {27} \cr {13} \cr } $$ $$Al$$ nucleus is estimated to be $$3.6$$ fermi then the radius of $$\matrix{ {125} \cr {52} \cr } \,Te$$ nucleus is estimated to be nearly
A
$$8$$ fermi
B
$$6$$ fermi
C
$$5$$ fermi
D
$$4$$ fermi
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
The intensity of gamma radiation from a given source is $$L$$. On passing through $$36$$ $$mm$$ of lead, it is reduced to $${{\rm I} \over 8}.$$ The thickness of lead which will reduce the intensity to $${{\rm I} \over 2}$$ will be
A
$$9mm$$
B
$$6mm$$
C
$$12mm$$
D
$$18mm$$
3
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
A nuclear transformation is denoted by $$X\left( {n,\alpha } \right)\matrix{ 7 \cr 3 \cr } Li.$$ Which of the following is the nucleus of element $$X$$ ?
A
$${}_5^{10}B$$
B
$${}^{12}{C_6}$$
C
$${}_4^{11}Be$$
D
$${}_5^9B$$
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy? AIEEE 2005 Physics - Atoms and Nuclei Question 185 English
A
$$iv$$
B
$$iii$$
C
$$ii$$
D
$$i$$
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