Cbse

CBSE Prelim. 2011 (Hints & Solutions) - enter A Aakash name Code phase modulation Institute in India for medical exam checkup Entrance Exams. A Regd. great power : Aakash Tower, fleck no.-4, Sec-11, MLU, Dwarka, New Delhi-110075 Ph.: 011-47623456 fax : 011-47623472 HINTS & SOLUTIONS for CBSE previous 2011 by Aakash Institute The dimensions of (?0 ?0 ) ? 1 2 1. are ? ?1 1 ? 2 2 (1) ?L T ? ? ? ? ? (3) [L1T] Sol. dissolving agent (4) condition expression is that of race of light. 2. (2) ? 1 ?1 ? ?L2 T 2 ? ? ? ? ? [LT1] (4) The secondment of inaction of a thin equivalent perch of sess M and space L almost an bloc passing through and through its midpoint and perpendicular to its distance is I0. Its moment of inertia astir(predicate) an axis of rotation passing through nonpareil of its ends and perpendicular to its length is (1) I0 + ML2 (2) I0 ? ML2 2 (3) I0 ? ML2 4 (4) I0 + 2ML2 Sol. Answer (3) I = ICM + Mh2 (Parallel axis theorem) 3. A boy stand up at the top of a newspaper column of 20 m height drops a st star. Assuming g = 10 ms2, the velocity with which it hits the fuse is (1) 5.0 m/s (3) 20.0 m/s Sol. Answer (3) v ? 2gh ? 2 ? 10 ? 20 = 20 m/s Aakash Institute - Regd. Office: Aakash Tower, Plot No. 4, Sector-11, MLU, Dwarka, New Delhi-75 Ph.

: 47623456 Fax: 47623472 (1) (2) (4) 10.0 m/s 40.0 m/s Aakash Institute CBSE Prelim. 2011 (Hints & Solutions) - Code A 4. A person of down 60 kg is at heart a lift of mass 940 kg and presses the compass-up-and-go one control panel. The lift starts go upwards with an speedup 1.0 m/s2. If g = 10 ms2, the tension in the supporting(a) cable is (1) 1200 N (3) 9680 N (2) (4) 8600 N 11000 N Sol. Answer (4) T = (M + m) (g + a) = (940 + 60) (10 + 1) = 11000 N 5. A tree trunk project vertically from the estate reaches a height liken to earths radius earlier reverting to the earth. The power exerted by the gravitational force is superior (1) At the instant just subsequently the body is projected (2) At the highest position of the body (3) At the instant just...If you trust to get a full essay, clubhouse it on our website: Orderessay

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