| 1 |
<p class="MsoNormal">Image formed on a camera is:<o:p></o:p></p> |
- A. <p class="MsoNormal">Real, inverted, and diminished<o:p></o:p></p>
- B. <p class="MsoNormal">Virtual, upright and diminished<o:p></o:p></p>
- C. <p class="MsoNormal">Virtual, upright and magnified<o:p></o:p></p>
- D. <p class="MsoNormal">Real, inverted and magnified<o:p></o:p></p>
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| 2 |
The resistance of conductors is due to: |
- A. Protons
- B. Fixed atoms
- C. Molecules
- D. Neutrons
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| 3 |
What happens to the intensity of the brightness of the lamps connected in series as more and more lamps are added? |
- A. Increases
- B. Decreases
- C. Remains the same
- D. Can not be predicted
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| 4 |
If we double both the current and the voltage in a circuit while keeping its resistance constant, the power. |
- A. remains unchanged
- B. halves
- C. doubles
- D. four time
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| 5 |
<p class="MsoNormal">We can distinguish between the notes of a piano and flute
due to ………… of sound.<o:p></o:p></p> |
- A. <p class="MsoNormal">Loudness<o:p></o:p></p>
- B. <p class="MsoNormal">Pitch<o:p></o:p></p>
- C. <p class="MsoNormal">Quality<o:p></o:p></p>
- D. <p class="MsoNormal">Intensity<o:p></o:p></p>
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| 6 |
Electric potential and e.m.f. |
- A. are the same terms
- B. are the different terms
- C. have different units
- D. both b and c
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| 7 |
How Galvanometer is connected in circuit to detect current? |
- A. In Series
- B. In Parallel
- C. Fixed
- D. Variable
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| 8 |
The current used in houses is: |
- A. A.C.
- B. Conventiona current
- C. Current
- D. D.C
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| 9 |
<p class="MsoNormal">The critical angle for a beam of light passing from water
into air is 48.8 degrees. This mean that all light rays with an angle of
incidence greater than this angle will be:<o:p></o:p></p> |
- A. <p class="MsoNormal">Absorbed<o:p></o:p></p>
- B. <p class="MsoNormal">Totally reflected<o:p></o:p></p>
- C. <p class="MsoNormal">Partially reflected and partially transmitted<o:p></o:p></p>
- D. <p class="MsoNormal">Totally transmitted<o:p></o:p></p>
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| 10 |
According to Ohm's law V =________ |
- A. I<sup>2</sup>R
- B. IR<sup>2</sup>
- C. IR
- D. I/R
|