Class XII, 12th Std Mathematics Sample Question Paper : Resonance Eduventures Pvt Ltd

[muthukalee]

Resonance Eduventures Pvt. Ltd.
STaRT-2012
SAMPLE TEST PAPER
CLASS-XII (SC.-MATHS)

A particle is moving in a circle :
(A) The resultant force on the particle must be towards the centre.
(B) The resultant force may be towards the centre.
(C) The direction of the angular acceleration and the angular velocity must be same.
(D) The cross product of the tangential acceleration and the angular velocity will be zero.
A body of mass 2 kg is moving under the influence of a central force whose potential energy is given by U (r) = 2r3 J. If the body is moving in a circular orbit having radius 5m, its energy will be :
(A) 625 J (B) 250 J (C) 500 J (D) 125 J

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Work done by all the forces on a system of particles is equal to :
(A) Change in kinetic energy of the system
(B) Change in potential energy of the system
(C) Change in total energy of the system
(D) Change in kinetic energy only if the forces acting are conservative.
Which of the following has maximum ionization potential :
(A) Be (B) K (C)Na (D)Mg
In which of the following minerals aluminium is not present :
(A) Cryolite (B) Mica (C) Fledspar (D) fluorspar
The locus of centres of family of circles passing through the origin and cutting the circle
x2 + y2 - 4x + 6y - 13 = 0 orthogonally is :
(A) 4x + 6y + 13 = 0 (B) 4x - 6y + 13 = 0 (C) 4x + 6y - 13 = 0 (D) 4x - 6y - 13 = 0
A bag contains 9 cards numbered as 1, 2,........9. Cards are drawn one by one without replacement till an odd number comes. Probablity that it comes in 3rd draw is
(A) 1/7 (B) 3/8 (C) 5/42 (D) 1/2
1, 3, 7, 25, 103, ?
(A) 526 (B*) 521 (C) 515 (D) 509
ABCA, BCDB, CDEC, DEFD, ?
(A) EFHE (B) FEGF (C) EFGF (D*) EFGE
Introducing a girl, Vipin said, "Her mother is the only daughter of my mother - in - law. "How is Vipinrelated to the girl ?
(A) Uncle (B*) Father (C) Brother (D)Husband
Ram is to the South-East of Mukesh, Shyam is to the East of Mukesh and North-East of Ram. If
Suresh is to the North of Ram and North-West of Shyam, in which direction of Mukesh is Suresh located ?
(A) North-West (B) South-West (C*) North-East (D) South-East
a
bcd
e f g h i
j k l m n o p
q r s t u v w x y
49. elu : adi : : ? : abe
(A) fmv (B) dgl (C) hmt (D*) inu
50. flt : klm : : iow : ?
(A) hnv (B) mno (C*) nop (D) gmu