HS - 1/3Your Target is to secure Good Rank in Pre-Medical 201401CM313230

1. NCERT (XII) (E) Page No. # 166, 169

11. NCERT (XII) (E) Page No. # 169

21. NCERT (XII) (E) Page No. # 169

31. NCERT (XII) (E) Page No. # 167, 168

41. NCERT (XII) (E) Page No. # 168, 169

51. NCERT (XII) (E) Page No. # 167

93. log x

m = log k +

1

n log p

log x

m = .3010 + 1 log .5

log x

m = log 2 + log .5

log x

m = log 2 .5

(Slope = tan = 1

n = tan 45 = 1)

x

m = 2 .5 = 1 atm

HINT SHEET

DATE : 05 - 04 - 2014 AIPMT

TARGET : PRE-MEDICAL 2014

LEADER COURSE(Phase : MLP, MLQ, MLR, MLS, MLT & MLU)

DATE : 10 - 01 - 2010MAJOR TEST # 04

ANSWER KEY

SYLLABUS - 04

94. NCERT Page No. # 149

97. For spontaneity, Ecell

> 0

0cellE = 0 for concentration cell.

(i) Anode : H2 Zn+ + 2e

2H + 2e H + 2

H /anode 2 H /cathode2

Cathode

0cellE =

0.0591

2log

2

2

H / cathode

H / anode

= 0.0591

2log

2

1

P

P = +ve

98. NCERT Page No. # 216

103. NCERT Page No. # 247

106. Fact

Que. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Ans. 2 2 3 4 2 1 2 2 4 1 3 4 2 3 4 1 3 3 1 1

Que. 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

Ans. 1 2 3 2 4 2 4 2 3 1 3 1 2 3 3 4 1 4 3 3

Que. 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

Ans. 3 4 1 4 2 4 3 4 3 1 2 4 4 2 2 2 4 2 2 2

Que. 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80

Ans. 3 4 3 3 3 3 2 2 4 3 4 4 3 2 1 4 2 1 3 2

Que. 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100

Ans. 2 1 2 3 4 2 2 3 4 3 1 3 3 3 2 3 1 3 1 3

Que. 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120

Ans. 3 1 3 2 4 2 2 3 2 2 3 4 3 4 1 1 2 4 1 4

Que. 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140

Ans. 1 2 4 2 4 4 2 4 4 4 3 2 2 1 3 4 4 3 1 3

Que. 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160

Ans. 3 1 2 4 1 1 3 1 3 4 1 4 1 2 2 1 4 4 2 1

Que. 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180

Ans. 1 2 3 3 2 4 3 1 4 3 3 3 4 3 2 3 3 2 2 4

05042014TARGET : PRE-MEDICAL 2014

HS - 2/3 Your Target is to secure Good Rank in Pre-Medical 2014 01CM313230

MAJOR TEST

107. H2O 2e H2 +

1

2O2

2 96500 C 22.4 1000 cm3 H2

2 96500 224

22.4 1000

C 224 cm3 H2

= 1930 C.

108. NCERT Page No. # 254

111.B c3 dC 7 dC

2 dt 5 dt

3 3cdC 3 5 152 10 10dt 2 7 7

113. NCERT Page No. # 240

118. NCERT Page No. # 250

122. 0eq Ba(OH)2 = 0

Ba2+ + 0

eq, OH

eq BaCl2= 0

eq Ba2+ + 0 eq, Cl

eq NH4Cl = 0

eq NH

4+ + 0

eq, Cl

eq, NH4OH = 0

eq, NH

4+ + 0

eq, OH

I + III + II

eq, NH4OH = (228.8 + 129.8) 120.3

= 238.33 cm2eq1

eq, NH4OH =

144.766 10 1000

0.2

= 2.383

= 4

4

eq,NH OH

eq,NH OH

= 102

126. Ecell = 0cellE

0.0591

2 log

2

2

[Zn ]

[Ag ]

= 0.8 (0.14) 0.0591

2 log 2

1

1= 0.94 V.

127. 200 ml of solution requires = 0.73 gm HCl

Moles of HCl = 0.73

36.5 = 0.02 mole = 20m mole

Therefore 1000 ml of solution will require

= 20

1000 100m mole HCl200

132. 50 ml of gold solution = 0.05 mg gelatin

10 ml of gold solution = 0.05

1050

Gold no. = 0.01

138. The focal length of combination of two thin lenses

placed in contact is given by

1

F =

1

1

f + 2

1

f

In every combination, lenses are in contact.

Hence, the focal length of combination in each

case is

1

F =

1

f +

1

f F =

f

2

Hence, the required ratio is 1 : 1 : 1

142. i2 = 2 20

2

i t

T

2i =

T T T2 2 22 20 0

2 3

0 0 0

i t i1 1i dt dt t dt

T T T T

=

T2 23 30 03 3

0

i it T

3 3T T

22 0 0

rms

i ii i

3 3

143. m = f0

ef =

200

4 = 50

147. v = 2vm = 2 2 = 4 m/s

148. d = 0.0344 mm

= 600 nm

3

9

0.0344 10rad.

d 600 10

or

= 1

05042014PRE-MEDICAL : LEADER COURSE (MLP, MLQ, MLR, MLS, MLT & MLU)

HS - 3/3Your Target is to secure Good Rank in Pre-Medical 201401CM313230

MAJOR TEST

157. Given, magnification m = I

O =

v

u = p

or v = upUsing mirror's formula,

1

v +

1

u =

1

f

Here the image of the real object is also real

therefore v, u and f all are on the negative side.

Hence,1

up + 1

u =

1

f

1

u

11

p

=

1

f

u = p 1

P

f

158.s X

d D or

9 d

2d 2D

2d

9D

162. For the virtual image,

C F O I

u

Virtual

f

+v

m = + v

u = +2

v = 2u

Using mirror's formula,

1

v +

1

u =

1

f

1

2u +

1

u =

1

f

or 2u = f = 40

u = 20cm

166. e .(B V)

167. = 1

1

sin i

sin r = 2

2

sin i

sin r

172. When the observer is in the denser medium and

object is in rarer medium,

w

a =

a w

1

= 1

4 /3 =

3

4 =

Real depth

Apparent depth

Real depth = 3

4 apparent depth

= 3

4 20cm = 15cm

173. = tan ip

= tan 60 = 3 1.732

177. Given,

=

i

g = 1.6 , w = 1.2

Then,w

g =

g

w

=

1.6

1.2

For the total ineternal reflection, the angle of

incidence i must be greater than the critical angle

C.

i.e., i = > C

But sin C = w g

1

or C = sin1 w

g

= sin1 12

16

C = sin1 3

4

Hence, > sin1 3

4