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Physics 10th Class English Medium Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | One coulomb is equal to charge of electrons: |
<p class="MsoNormal">6.25x10<sup>-19</sup><o:p></o:p></p> <p class="MsoNormal">6.25x10<sup>19</sup><o:p></o:p></p> <p class="MsoNormal">6.25x10<sup>18</sup><o:p></o:p></p> <p class="MsoNormal">6.25x10<sup>-18</sup><o:p></o:p></p> |
| 2 | In SI the unit of
charge is: |
<p class="MsoNormal">Joule<o:p></o:p></p> <p class="MsoNormal">Volt<o:p></o:p></p> <p class="MsoNormal">Coulomb<o:p></o:p></p> <p class="MsoNormal">Watt<o:p></o:p></p> |
| 3 | One micro coulomb charge is equal to: |
<p class="MsoNormal">10<sup>-3</sup>c<o:p></o:p></p> <p class="MsoNormal">10<sup>3</sup>c<o:p></o:p></p> <p class="MsoNormal">10<sup>6</sup>c<o:p></o:p></p> <p class="MsoNormal">10<sup>-6</sup>c<o:p></o:p></p> |
| 4 | According to coulomb’s law, what happens to the attraction
of two oppositely charged objects as their distance of separation increases: |
<p class="MsoNormal">Increases<o:p></o:p></p> <p class="MsoNormal">Decreases<o:p></o:p></p> <p class="MsoNormal">Remains unchanged<o:p></o:p></p> <p class="MsoNormal">Cannot be determined<o:p></o:p></p> |
| 5 | When you rub a plastic rod against your hair several times
and put it near some bits of paper, the pieces of papers are attracted towards
it. What does this observation indicate: |
<p class="MsoNormal">The rod and the paper are oppositely charged<o:p></o:p></p> <p class="MsoNormal">The rod acquires a positive charge<o:p></o:p></p> <p class="MsoNormal">The rod and the paper have the same charges<o:p></o:p></p> <p class="MsoNormal">The rod acquires a negative charge<o:p></o:p></p> |
| 6 | Two uncharged objects a and b are rubbed against each other.
When object b is placed near a negatively charged object c, the two objects
repel each other. Which of these statements is true about object a: |
<p class="MsoNormal">Remains uncharged<o:p></o:p></p> <p class="MsoNormal">Becomes positively charged<o:p></o:p></p> <p class="MsoNormal">Becomes negatively charged<o:p></o:p></p> <p class="MsoNormal">Unpredictable<o:p></o:p></p> |
| 7 | An object gains excess negative charge after being rubbed
against another object, which is: |
<p class="MsoNormal">Neutral<o:p></o:p></p> <p class="MsoNormal">Negatively charged<o:p></o:p></p> <p class="MsoNormal">Positively charged<o:p></o:p></p> <p class="MsoNormal">Either, a, b or c<o:p></o:p></p> |
| 8 | A positive electric charge: |
<p class="MsoNormal">Attracts other positive charge<o:p></o:p></p> <p class="MsoNormal">Repels other positive charge<o:p></o:p></p> <p class="MsoNormal">Attract a neutral charge<o:p></o:p></p> <p class="MsoNormal">Repels a neutral charge<o:p></o:p></p> |
| 9 | The refractive index of ice is: |
<p class="MsoNormal">1.00<o:p></o:p></p> <p class="MsoNormal">1.33<o:p></o:p></p> <p class="MsoNormal">1.31<o:p></o:p></p> <p class="MsoNormal">2.42<o:p></o:p></p> |
| 10 | Optical fibres works on the principle of: |
<p class="MsoNormal">Reflection<o:p></o:p></p> <p class="MsoNormal">Refraction<o:p></o:p></p> <p class="MsoNormal">Total internal reflection<o:p></o:p></p> <p class="MsoNormal">Diffraction<o:p></o:p></p> |
| 11 | The value of refractive index of water is: |
<p class="MsoNormal">2.33<o:p></o:p></p> <p class="MsoNormal">1.36<o:p></o:p></p> <p class="MsoNormal">1.33<o:p></o:p></p> <p class="MsoNormal">1.39<o:p></o:p></p> |
| 12 | Which animal have ability to move his eye lens: |
<p class="MsoNormal">Snake<o:p></o:p></p> <p class="MsoNormal">Fish<o:p></o:p></p> <p class="MsoNormal">Ant<o:p></o:p></p> <p class="MsoNormal">Tiger<o:p></o:p></p> |
