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Physics Fsc Part 1 Full Book Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | In medical field, a venture mask used to deliver a known oxygen concetation to patients operates is based on.
|
<p> Newton's thrid law</p> <p> </p> <p> Archimedes principle</p> <p> </p> <p> Pascal's law</p> <p> </p> <p> Beronoulli's thermal conductivity</p> <p> </p> |
| 2 | The lift force experienced by an aeroplane wings is primarily due to.
|
<p> Viscosity of air</p> <p> Density of air</p> <p> </p> <p> Pressure difference above and below the wing</p> <p> </p> <p> Gravitational force</p> <p> </p> |
| 3 | An ideal flow of any fluid must satisfy. |
<p> Pascal law</p> <p>P</p> <p> Bernoulli's principle</p> <p> </p> <p> Continuity equation only</p> <p> </p> <p> Both a and C</p> <p> </p> |
| 4 | The principle of floatation is a direct application of
|
<p> Pascal's Law</p> <p> </p> <p> Bernoulli's principle</p> <p> </p> <p> Archiedes principle</p> <p> </p> <p> Newton's thrd law</p> <p>N</p> |
| 5 | If a stone is submerged in water and it weight less in water than in air, this phenomenon is due to. |
<p> The reduction of mass in water</p> <p> </p> <p> Increase of density in water</p> <p> </p> <p> Buoyant force action upwards</p> <p> </p> <p> The gravitational force acting spward</p> <p> </p> |
| 6 | As per law of fluid friction for steady streamline flow, the friction.
|
<p> Varies proportionally to velocity of fluid</p> <p> </p> <p> Varies invesely proportional to pressure </p> <p> </p> <p> Does not depend on pressure</p> <p> </p> <p> First increase then decreases</p> <p> </p> |
| 7 | The pressure will be how when speed of fluid is. |
<p>High</p> <p> </p> <p>Zero</p> <p> </p> <p> Low</p> <p> Constant</p> |
| 8 | The effect of decrease of pressure with the increase in speed of a fluid in horizontal pipe is |
<p>Torricelli's effect</p> <p>T</p> <p> Bernoulli's Effect</p> <p>Venture's effect</p> <p> </p> <p>Doppler's effect</p> <p> </p> |
| 9 | Whcih of the followig is polymer solid W |
<p>Wood</p> <p>W</p> <p>Glass</p> <p>Sodium Chloride</p> <p>S</p> <p>Copper</p> <p>C</p> |
| 10 | Which of the following is more elastic w |
<p>ubber </p> <p>R</p> <p>ood</p> <p>W</p> <p>Steel</p> <p>S</p> <p>Sponge</p> <p>S</p> |
| 11 | The region of stress-stain curve which obeys Hook's law is. |
<p>Propoertional Limit</p> <p>P</p> <p>lastic region</p> <p>E</p> <p>lastic region </p> <p>P</p> <p>yield limit</p> <p>Y</p> |
| 12 | Kilowatt hour is unit is. |
<p>Power</p> <p>Work</p> <p>Force</p> <p>Momentum</p> |
| 13 | Ratio of dimension of power and K.E. is. |
<p>1 : 1</p> <p>T : 1</p> <p>1 : T</p> <p>M : T</p> |
| 14 | If the velocity of the body becomes double and mass become half thenints K.E. |
<p>Becomes double</p> <p>Beocmes for time</p> <p>In halved</p> <p>Becomes eight time</p> |
| 15 | Two bodies A and B of mass 1 kg and 2 kg respectively have same momentum. Which one has greater KE. |
<p>Cannot be determined</p> <p>A</p> <p>B</p> <p>Both hae the same K.E.</p> |
| 16 | A man carries a bucket of water of 1 kg for 10m height then work done is. |
<p>15 J</p> <p>10 j</p> <p>98 J</p> <p>2.5 J</p> |
| 17 | A body of mass 0.2 kg initially moving with velocity 10 m/s comes to rest in 1 m. how much retarding force acts on it. |
<p>10 N</p> <p>20 N</p> <p>40 N</p> <p>200 N</p> |
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