NIOS 12th Science & Technology Question Paper 2013 Free Download

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NIOS Class 12th Science & Technology Question Paper 2013, NIOS Senior Secondary Class 12th (XII) 2013 Science & Technology Question Paper NIOS Class XII Science & Technology Question Paper 2013 Senior Secondary Students Free Download NIOS 12th – XII Science & Technology Model Question Paper for Students with Answers and Solution 2013 NIOS Board Exam Papers for Class 12 (XII) std NIOS 2013 Sample Science & Technology Question Bank with Full Details

Science & Technology

Maximum

1. Which of the following is not a transition element ?
(A) Platinum (B) Silver
(C) Copper (D) Lead

2 . Which one of the following compounds has the shortest C – C Bond length ?
(A) H3C-CH3 (B) H2C=CH2
( C) HC=CH (D) H3C-CH2-CH3

3 . Momentum of a body of given mass is proportional to its
(A) Volume (B) Shape
(C) Acceleration (Velocity

4 . the relationship between focal length (f) and radius of curvature ( r) of a convex mirror is
(A ) f = r (B) f = 2r
( C) f = r/2 (D) f = r 2

5 . The function of the moderator in a nuclear reactor is
(A) to cool the reactor
(B) to absorb neutrons so as to stop the chain reaction
(C) to control the energy released in the reactor
(D) to reduce the kinetic energy of the neutrons produced in the chain reaction


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