Flame Institute SCF 18 Near Chawla Lights Phase 7 Mohali Chandigarh 9888949978

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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

42. Two discs of the same material and thickness have radii 0.2 m and 0.6 m. Their moments of inertia about their axes will be in the ratio

(a) 1 : 81

(b) 1 : 27

(c) 1 : 9

(d) 1 : 3

Ans. a

5/5 - (1 vote)

PrevPrevious3. The force-time (F – t) curve of a particle executing linear motion is as shown in the figure. The momentum acquired by the particle in time interval from zero to 8 second will be

NextAssertion : Power of machine gun is determined by both, the number of bullet fired per second and kinetic energy of bullets. Reason : Power of any machine is defined as work done (by it) per unit time.Next

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