1
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
Which of the following transitions in hydrogen atoms emit photons of highest frequency ?
A
$$n = 1$$ to $$n=2$$
B
$$n = 2$$ to $$n=6$$
C
$$n = 6$$ to $$n=2$$
D
$$n = 2$$ to $$n=1$$
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
An alpha nucleus of energy $${1 \over 2}m{v^2}$$ bombards a heavy nuclear target of charge $$Ze$$. Then the distance of closest approach for the alpha nucleus will be proportional to
A
$${v^2}$$
B
$${1 \over m}$$
C
$${1 \over {{v^2}}}$$
D
$${1 \over {Ze}}$$
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
When $${}_3L{i^7}$$ nuclei are bombarded by protons, and the resultant nuclei are $${}_4B{e^8}$$, the emitted particles will be
A
alpha particles
B
beta particles
C
gamma photons
D
neutrons
4
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
If the binding energy per nucleon in $${}_3^7Li$$ and $${}_2^4He$$ nuclei are $$5.60$$ $$MeV$$ and $$7.06$$ $$MeV$$ respectively, then in the reaction $$$p + {}_3^7Li \to 2\,{}_2^4He$$$
energy of proton must be
A
$$28.24$$ $$MeV$$
B
$$17.28$$ $$MeV$$
C
$$1.46$$ $$MeV$$
D
$$39.2$$ $$MeV$$
JEE Main Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12