Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 50 J 100 J 75 J 150 J 50 J 100 J 75 J 150 J ANSWER DOWNLOAD EXAMIANS APP
Physics 'Parsec' is the unit measurement of Orbital velocity of giant stars Density of stars Astronomical distance Brightness of heavenly bodies Orbital velocity of giant stars Density of stars Astronomical distance Brightness of heavenly bodies ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Reflect lights of different colours Transmit or absorb light of different colours Dispense light into component colours Refract light of different colours Reflect lights of different colours Transmit or absorb light of different colours Dispense light into component colours Refract light of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 20 J 50 J 40 J 30 J 20 J 50 J 40 J 30 J ANSWER DOWNLOAD EXAMIANS APP
Physics In a filament type light bulb most of the electric power consumed appears as Fluorescent light Visible light Ultra-violet rays Infra-red rays Fluorescent light Visible light Ultra-violet rays Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Four times Half Double One–fourth Four times Half Double One–fourth ANSWER DOWNLOAD EXAMIANS APP
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