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Physics Fsc Part 1 Full Book Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | A force of 10 N is rquirired to overcome road friction and air resistanc in propelling an automobile at 30 m/sec. power develped by the engine. |
<p>600 W</p> <p>400 W</p> <p>300 W</p> <p>500 W</p> |
| 2 | The consumption of eergy by a 60 watt bulb in 2 secinds is |
<p>130 J</p> <p>120 J</p> <p>160 j</p> <p>0.02 J</p> |
| 3 | The work done in lifting a boyd of mass m from surface of the earth to an infinite distance is. |
<p>K.E.</p> <p>Absolute P.E.</p> <p>Elastic P.E.</p> <p>Absolue K.E</p> |
| 4 | If an agent consumes a power of 1 kW in one hour the work done is. |
<p>One emega watt hour</p> <p>One kile watt hour</p> <p>One deci watt hour</p> |
| 5 | 1 kilowatt is equal= |
<p>1000J/S</p> <p>106 Watt</p> <p>0.1 x 10 <sup>2</sup> watt</p> <p>6.25 x 10 <sup>25</sup> J</p> |
| 6 | A field in which the work done in moving a body along a closed path is zero known as. |
<p>Conservative field</p> <p>Nuclear field</p> <p>Magnetic field</p> <p>Electric field</p> |
| 7 | If P= Pressure, delta V = change in volume, P delta V represents. |
<p>Density</p> <p>Work</p> <p>Teperature</p> <p>Power</p> |
| 8 | If a body mass 2 kg is raised verticaly through 2 m then the work done will be. |
<p>50 J</p> <p>-39.2 J</p> <p>35 J</p> <p>40 J</p> |
| 9 | Gravity performs zero work when body moves |
<p>Vertically</p> <p>Horizontally</p> <p>At 60% with vertical</p> <p>At 45% with horizontal</p> |
| 10 | When the force is parallel to the direction of motionof the body the work done is. |
<p>Minimum</p> <p>Maximum</p> <p>Infinity </p> <p>Zero</p> |
| 11 | A dry battery cna deliver 3000 J of energy to a 2 W small electric motor befor the battery is exhausted.For how many minutes does the battery run.? |
<p>1500 min</p> <p>100 min</p> <p>25 min</p> <p>50 min</p> |
| 12 | Power of lamp is 6 W. How much energy does a lamp give out in 2 min? |
<p>12 J</p> <p>720 J</p> <p>20 J</p> <p>3 J</p> |
| 13 | According to work energy principle in linear motin. the work doen one body is equal to. |
<p>Change in K.E.</p> <p>Change in P.E.</p> <p>Zero</p> <p>Sum of K.E and P.e</p> |
| 14 | When a ball is thrown vertically upward and then falls back to the ground, which force can be considered conservative in this scenario. |
<p>Air resistance</p> <p>Gravity</p> <p>Friction betwene ball and air</p> <p>Contant force with hand</p> |
| 15 | The height above the gound of a child on a swing varies form 0.5 m of his lowest point to 1.5 m at his highst point. The maximum speed of the child is approximatley. |
<p>1.5 ms -1</p> <p>4.4 ms-1</p> <p>9.8 ms -1</p> <p>Depends upon child's mass</p> |
| 16 | A body rest may have. |
<p>Speed</p> <p>Energy</p> <p>Velocity</p> <p>Momentum</p> |
| 17 | An iron sphere whose mass is 30 kg has the same diameter as an aluminium sphere whose mass is 10.5 kg. The spheres are simultaneously dropped form a cliff. When they are 10 m fromt he gorund, they have identical. |
<p>Accelerations</p> <p>Momentums</p> <p>Potential engergies</p> <p>Kinetic energies</p> |
