| 1 |
The displacement produced in the spring directly proportional to force is called: |
- A. Hook's law
- B. Boyle's law
- C. Newton's law
- D. both 'b' and 'c'
|
| 2 |
The maximum displacement from mean position is called: |
- A. Maximum height
- B. Time period
- C. Amplitude
- D. Intervel
|
| 3 |
The ratio of external force applied on the spring to displacement is called: |
- A. Hook's law
- B. Constant
- C. Spring constant
|
| 4 |
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>
|
| 5 |
The relation between v,f andλ of a wave is: |
- A. vf=λ
- B. fλ = v
- C. vλ =f
- D. v=λ/f
|
| 6 |
The waves in which particles of the medium vibrate perpendicular to the directions waves are: |
- A. Electromagnetic waves
- B. Sound waves
- C. bothe a and b
- D. Transverse waves
|
| 7 |
Diffraction of wave can be observed clearly only when the size of slit or obstacle is nearly__________ to the wavelength of the wave: |
- A. Two times
- B. Equal
- C. Four times
- D. None of these
|
| 8 |
<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>
|
| 9 |
If the mass of a spring mass system is doubled, its time period becomes: |
- A. √2 T
- B. T/2
- C. √T/2
- D. T/√2
|
| 10 |
<p class="MsoNormal">With broadband information can be loaded:<o:p></o:p></p> |
- A. <p class="MsoNormal">In 1 min<o:p></o:p></p>
- B. <p class="MsoNormal">In 1 sec<o:p></o:p></p>
- C. <p class="MsoNormal">In 1 day<o:p></o:p></p>
- D. <p class="MsoNormal">In 2 days<o:p></o:p></p>
|
