1
IIT-JEE 1984
MCQ (Single Correct Answer)
+1
-0.25
The increasing order (lowest first) for the values of e/m (charges/mass) for electron (e), proton (p), neutron (n) and alpha particle ($$\alpha$$) is:
A
e, p, n, $$\alpha$$
B
n, p, e, $$\alpha$$
C
n, p, $$\alpha$$, e
D
n, $$\alpha$$, p, e
2
IIT-JEE 1984
MCQ (Single Correct Answer)
+1
-0.25
Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon?
A
3s
B
2p
C
2s
D
1s
3
IIT-JEE 1983
MCQ (Single Correct Answer)
+1
-0.25
Any p-orbital can accommodate upto
A
four electrons
B
six electons
C
two electrons with parallel spins
D
two electrons with opposite spins
4
IIT-JEE 1983
MCQ (Single Correct Answer)
+1
-0.25
The principal quantum number of an atom is related to the
A
size of the orbital
B
spin angular momentum
C
orbital angular momentum
D
orientation of the orbital in space
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