1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Calculate the energy in joule corresponding to light of wavelength 45 nm. (Planck,s constant, h = 6.63 $$ \times $$ 10$$-$$34 J s, speed of light, c = 3 $$ \times $$ 108 m s$$-$$1)
A
6.67 $$ \times $$ 1015
B
6.67 $$ \times $$ 1011
C
4.42 $$ \times $$ 10$$-$$15
D
4.42 $$ \times $$ 10$$-$$18
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Be2+ is isoelectronic with which of the following ions ?
A
H+
B
Li+
C
Na+
D
Mg2+
3
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Which of the following orders of ionic radii is correctly represented ?
A
H$$-$$ > H$$^ \bullet $$ > H+
B
Na+ > F$$-$$ > O2$$-$$
C
F$$-$$ > O2$$-$$ > Na+
D
A$$l$$3+ > Mg2+ > N3$$-$$
4
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Which of the following molecules has the maximum dipole moment ?
A
CO2
B
CH4
C
NH3
D
NF3
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