| 1 |
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
|
| 2 |
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
|
| 3 |
How many possible solutions are there for a prblem? |
- A. One
- B. Two
- C. Three
- D. Multiple
|
| 4 |
The value of acceleration in simple harmonic motion at mean position is |
- A. Maximum
- B. Zero
- C. 10 N
- D. Both a , b
|
| 5 |
<p class="MsoNormal">Which of the following is a method of energy transfer:<o:p></o:p></p> |
- A. <p class="MsoNormal">Conduction<o:p></o:p></p>
- B. <p class="MsoNormal">Radiation<o:p></o:p></p>
- C. <p class="MsoNormal">Wave motion<o:p></o:p></p>
- D. <p class="MsoNormal">All of these<o:p></o:p></p>
|
| 6 |
<p class="MsoNormal">Which of the following is an example of simple harmonic
motion:<o:p></o:p></p> |
- A. <p class="MsoNormal">Motion of a simple pendulum<o:p></o:p></p>
- B. <p class="MsoNormal">The motion of ceiling fan<o:p></o:p></p>
- C. <p class="MsoNormal">The spinning of the earth on its axis<o:p></o:p></p>
- D. <p class="MsoNormal">A bouncing ball on a floor<o:p></o:p></p>
|
| 7 |
Which of the following characteristic of a wave is independent of the others . |
- A. speed
- B. frequency
- C. amplitude
- D. wavelength
|
| 8 |
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'
|
| 9 |
Typographical errors in BASIC statements are: |
- A. Runtime errors
- B. Logical Errors
- C. Syntax errors
- D. Execution errros
|
| 10 |
The wave properties |
- A. Reflection
- B. Refraction
- C. Diffraction
- D. All of these
|
