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KVPY Solutions 16-10-10
KVPY Solutions 19-10-10
KVPY Solutions 22-10-10
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KVPY QUESTION WITHANSWER(23-10-10)
1.
The expression :
Sol.
tan . cot . cos 6 6 4
The guiding rule for the bond length is bond length of triple bond < bond length of double bond < bond length of single bond. The given
1 2 sin sec cot simplifies to : 4 2 4 4 (A) an integer ( B) a rational which is not integer (C*) an irrational number (D) a real less than 1
chemical species are 2 – –
+
6
cot
6
cos
C
O
O=C=O
O
Sol.
tan
O
2 sin 1 sec cot 4 2 4 4 4
Hence, the increasing order of the C - O bond –
= tan 30º cot 30º cos 45º (2sin 45º +
=
=
=
1 3
×
3 ×
1 sec 45º + cot 45º) 2
1 1 2 2 1 2 2 2
1
4.
Malpighian body is made up of (A) Bowman ’s capsule, afferent arteriole,
1 1 2 1 2 2
efferent arteriole
1 2 1 2 2 2
arteriole
(B) Glomerulus, afferent arteriole, efferent
(C) Bowman ‘s capsule , PCT, DCT
3 2 . 2 So, solution is an irrational number. =
2.
length is CO < CO2 < CO32
If W 1 , W 2 and W 3 represent the work done in different paths 1, 2 and 3 respectively (as shown) inthe gravitational field of a point mass m, find f ind the correct relation between W1 , W2 and W 3 .
(A) W 2 > W 1 > W3 (C) W 1 > W2 > W3
(B*) W 1 > W2 > W3 (D) W 1 < W2 > W3
Sol.
No change in moment of inertia
3.
The correct order of increasing C — O bond length of CO, CO32 , CO2, is –