Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is
A
Mg < Ca < Cl < P
B
Cl < P < Mg < Ca
C
P < Cl < Ca < Mg
D
Ca < Mg < P < Cl
2
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
A 0.66 kg ball is moving with a speed of 100 m/s. The associated wavelength will be
(h = 6.6 $$ \times $$ 10$$-$$34 J s)
A
6.6 $$ \times $$ 10$$-$$32 m
B
6.6 $$ \times $$ 10$$-$$34 m
C
1.0 $$ \times $$ 10$$-$$35 m
D
1.0 $$ \times $$ 10$$-$$32 m
3
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
A current loop consists of two identical semicircular parts each of radius R, one lying in the x-y plane and the other in x-z plane. If the current in the loop is $$i$$. The resultant magnetic field due to the two semicircular parts at their common centre is
A
$${{{\mu _0}i} \over {2\sqrt 2 R}}$$
B
$${{{\mu _0}i} \over {2R}}$$
C
$${{{\mu _0}i} \over {4R}}$$
D
$${{{\mu _0}i} \over {\sqrt 2 R}}$$
4
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
The following figure shows a logic gate circuit with two inputs A and B and the output Y. The voltage waveforms of A, B and Y are as given.