1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
X(n, $$\alpha $$) $${}_3^7$$Li, then X will be
A
$${}_5^{10}$$ B
B
$${}_5^9$$ B
C
$${}_5^{11}$$ Be
D
$${}_2^4$$ He.
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which rays contain (positive) charged particles ?
A
$$\alpha $$-rays
B
$$\beta $$-rays
C
$$\gamma $$-rays
D
X-rays
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
The energy of hydrogen atom in nth orbit is En then the energy in nth orbit of singly ionised helium atom will be
A
4En
B
En/4
C
2En
D
En/2
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Maximum frequency of emission is obtained for the transition
A
n = 2 to n = 1
B
n = 6 to n = 2
C
n = 1 to n = 2
D
n = 2 to n = 6.
NEET Subjects
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