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Physics ICS Part 1 Chapter 1 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | The least count of aninstrument determines |
<p>Precision of a measurment</p> <p>Accuracy of a measurement </p> <p>Factinal uncertainty of a measuremnet </p> <p>Percentage uncertainty of a measurement</p> |
| 2 | Identify whcih pari fromt he following does not have identical dimension. |
<p>Work and torque</p> <p>Moment ofinertial and moment of force</p> <p>Angular momentum and Planck's constant</p> <p>Ipulse and momentum</p> |
| 3 | The ratio of the dimensions of force and eenrgy is. |
<p>L-1</p> <p>T-1</p> <p>T</p> <p>L</p> |
| 4 | The answer to the mathematical division (45.2 x 6.0) in appropriate numebr of significant figures is. |
<p>7.5</p> <p>7.53</p> <p>7.533</p> <p>7.5333</p> |
| 5 | The answer of the product (2.8723 x 1.6) to the appropriate numebr of significant figures is. |
<p>4.6</p> <p>4,595</p> <p>4,59568</p> <p>4.59</p> |
| 6 | The answer to appropriate precison for the substaaction (1.126-0.97268) is. |
<p>0.15</p> <p>0.153</p> <p>0.1533</p> <p>0.15332</p> |
| 7 | The sum 12 kg +2.02 kg+5.1 kg accoridng to appropriate precision is |
<p>19 kg</p> <p>19.0 kg</p> <p>19.1 kg</p> <p>19.12 kg</p> |
| 8 | The numebr of significant figures in the measrued mass 2500.0 kg is |
<p>Two</p> <p>Three</p> <p>Four</p> <p>Five</p> |
| 9 | The number of significant figures of a measureent are define das. |
<p>They reflect the accuracy of the observation in a measurement </p> <p>They are teh figures which are reasonably reliable</p> <p>They are the accurately known digits and the first doubtful digit of measurement </p> <p>All of the above</p> |
| 10 | The diameter of a steel ball is measrued using a Vernier callipers and its eading is shown in the figure. whant is the diameer ofthe stell ball. |
<p>1.30 cm</p> <p>1.39 cm</p> <p>1.40 cm</p> <p>1.31 cm</p> |
| 11 | The length of steel pipe is in between 0.7 m to 0.8 m. Identify from the following. the appropriate instruemnt to be used for an accuracy of 0.001 m. |
<p>A micrometer screw gauge</p> <p>A metre rule</p> <p>A ten meteres measuring tape</p> <p>A vernier callipers</p> |
| 12 | The purpose of stdy and discovereties in Physics in. |
<p>The porbling of interstatllar sThe betterment of mankingpaces</p> <p>The bettermetne of mankind</p> <p>The developemt of destructive echnology in warfare</p> <p>Developemt in aesthetics for the world</p> |
