# HINTS

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```					                                                      28816/QB/HYD-NCO-CO / AIEEE / 25-1-2011 /
CODE : GREEN
AIEEE

NFT-V (AIE MOD)12-02-2011       AIEEE MODEL          Exam Date:12-2-2011

Time :3:00                                           Max Marks :432

ID.NO :

HINTS
PHYSICS
1) Relative velocity concept : vm=vr sin 300
2)
3)

4)
Relative density
5)

2
6)

7)

8)

9)
10)

Specific gravity liquid =
11) Due to increase in temperature total increase in length

---------(1)

The walls will not allow the rods to increase their length. Hence one rod presses the other rod producing
decrease in length

Total decrease in length =            --------(20

By equating (1) and (2)
12)

3
13)

according to the geometry the angular deflection is       . So by applying L.C.M

Now                           in direction of common normals

.
14)

From the graph

i.e.,

15)
&
16)
Apply maluslaw

4
For

For
17)
;                  ;
18) For an ideal inductor, at t = 0, the inductor works an infinite resistor.

At t =   , the inductor behaves as good conductor.
19)

20)
Draw a vector from tail of     to head of
21)

22)

S1 closed

S2 closed

Solving 1 and 2 we get E = 36V and r = 6

S1 and S2 closed external resistance in the circuit

23) From the given equation, a = 16 V/oC and b = 0.04 V/oC2

neutral temperature =

Inversion temperature =
5
24) B is independent of velocity of conductor. Force depends on velocity of charge.
25)

26)

27)
28)

29) Use right hand thumb rule
30)

CHEMISTRY
31) conceptual
32)

33) Conceptual
34)
35)

36)
Vc = 3b (or) b =    , the gas with light value of critical value of will here lighest value of b.
37) Conceptual

6
38) Conceptual
39) Max covalency of Be = 4
40) Conceptual
41)
42) The excess use of phosphates as water softeners leads to aquatic pollution called eutrophication.
43)

44) Conceptual
45)
46)
47) Fehlings solution differs aldehydes and Ketones because it reacts with aldehydes, but not with Ketones.
48)
Peroxodisulphuric acid on complete hydrolysis give two moels of            and mole of         . Which one
partial hydrolysis it gives one mole of peroxomono sulphuric acid and one mole of
49) Rate = k[A]n[B]m

on doubling the concentration of A and halving he concentration of B

Rate =

50) Conceptual
51) For the given reaction to take place external EMF>EMF of the cell
52)
=

53)

54) Chloro benzene is less reactive than benzene, chloro group deactivates the ring forthere electrofilic
substation
55)

56)

Glycine
57) Conceptual

7
58) conceptual
59)
Since Li crystallizes in body-centered cubic crystal, atomic radius,

60) Conceptual
MATHEMATICS
61) Conceptual
62) Conceptual
63) Conceptual
64)

65)

Let

exists

66)

= 20

67)

68)

69)

8
70)
Taking              for
71)

72)

73)

74)
Take

75)

76)

Slope of the line joining       and   is

Slope of the required line is
77)

9
78)

79)

80)

81)

82)

83)

84)

85)
Image of           w.r.t          is
86)

The line and plane are parallel
87)
AB = 3, AC = 13,
88)

89)

10
90)

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