| 1 |
The instrument used to study the properties of waves is called: |
- A. Ripple tank
- B. Stroboscope
- C. Pendulum
- D. None of these
|
| 2 |
The product of frequency (f) and wavelengthλ is equal to: |
- A. Time period
- B. Amplitude
- C. Wave speed
- D. Wave energy / frequency
|
| 3 |
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
|
| 4 |
<p class="MsoNormal">Which of the following devices can be used to produce both a
transverse and longitudinal waves:<o:p></o:p></p> |
- A. <p class="MsoNormal">A string<o:p></o:p></p>
- B. <p class="MsoNormal">A ripple tank<o:p></o:p></p>
- C. <p class="MsoNormal">A helical spring (slinky)<o:p></o:p></p>
- D. <p class="MsoNormal">A tuning fork<o:p></o:p></p>
|
| 5 |
Which of the following tasks are performed by most of the algorithms? |
- A. Input
- B. Out put
- C. Processing
- D. All of these
|
| 6 |
The speed of waves can be calculated by: |
- A. Vt
- B. d x t
- C. f λ
- D. Tf
|
| 7 |
The distance between two consecutive troughs or crests is called: |
- A. wavelength
- B. Frequency
- C. Time period
- D. None of these
|
| 8 |
The force applied on the mass attached with a spring is represented by: |
- A. F<sub>a</sub>
- B. F<sub>c</sub>
- C. F<sub>ext</sub>
- D. F<sub>s</sub>
|
| 9 |
<p class="MsoNormal">First voice signal was transmitted in the form of electrical
signal in:<o:p></o:p></p> |
- A. <p class="MsoNormal">1870<o:p></o:p></p>
- B. <p class="MsoNormal">1875<o:p></o:p></p>
- C. <p class="MsoNormal">1876<o:p></o:p></p>
- D. <p class="MsoNormal">1880<o:p></o:p></p>
|
| 10 |
The ratio of external force applied on the spring to displacement is called: |
- A. Hook's law
- B. Constant
- C. Spring constant
|
