1 |
The disturbance travelling in a medium is called: |
- A. Wave motion
- B. Simple harmonic motion
- C. Motion
- D. both a ,b
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2 |
At extreme position potential energy of the pendulum is |
- A. Maximum
- B. Miimum
- C. a and b
- D. zero
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3 |
The unit of frequency is: |
- A. Heartz
- B. Vibration per second
- C. Cycle per second
- D. all a, b, c
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4 |
Which of the following is a method of energy transfer. |
- A. Conduction
- B. Reatiation
- C. wave motion
- D. all of these
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5 |
<p class="MsoNormal">One byte is equal to:<o:p></o:p></p> |
- A. <p class="MsoNormal">7 bits<o:p></o:p></p>
- B. <p class="MsoNormal">5 bits<o:p></o:p></p>
- C. <p class="MsoNormal">8 bits<o:p></o:p></p>
- D. <p class="MsoNormal">9 bits<o:p></o:p></p>
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6 |
A large ripple tank with a vibrator working at a frequency of 30 Hz produces 25 complete wae in distance of 50 cm. The velocity of the wave is: |
- A. 54 cms<sup>-1</sup>
- B. 60 cms<sup>-1</sup>
- C. 750 cms<sup>-1</sup>
- D. 1500 cms<sup>-1</sup>
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7 |
The part of waves at which particles of the medium are below the normal position are called: |
- A. Extreme positon
- B. Crest
- C. Trough
- D. None of these
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8 |
<p class="MsoNormal">A large ripple tank with a vibrator working at a frequency
of 30 Hz produces 25 complete waves in a distance of 50 cm.<o:p></o:p></p><p class="MsoNormal">The velocity of the wave is:<o:p></o:p></p> |
- A. <p class="MsoNormal">53 cms<sup>-1<o:p></o:p></sup></p>
- B. <p class="MsoNormal">60 cms<sup>-1</sup><o:p></o:p></p>
- C. <p class="MsoNormal">750 cms<sup>-1</sup><o:p></o:p></p>
- D. <p class="MsoNormal">1500cms<sup>-1</sup><o:p></o:p></p>
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9 |
It mass of bob o a simple pendulum is doubled, its time period. |
- A. is doubled
- B. become four times
- C. remains same
- D. none of the above
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10 |
<p class="MsoNormal">Which is not a hardware:<o:p></o:p></p> |
- A. <p class="MsoNormal">CPU<o:p></o:p></p>
- B. <p class="MsoNormal">Window<o:p></o:p></p>
- C. <p class="MsoNormal">Keyboard<o:p></o:p></p>
- D. <p class="MsoNormal">Mouse<o:p></o:p></p>
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