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Physics 10th Class English Medium Unit 2 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | The product of frequency and wavelength is equal to: |
<p class="MsoNormal">Time period<o:p></o:p></p> <p class="MsoNormal">Amplitude<o:p></o:p></p> <p class="MsoNormal">Wave speed<o:p></o:p></p> <p class="MsoNormal">Wave energy<o:p></o:p></p> |
| 2 | Radio waves are: |
<p class="MsoNormal">Longitudinal waves<o:p></o:p></p> <p class="MsoNormal">Transverse waves<o:p></o:p></p> <p class="MsoNormal">Electromagnetic waves<o:p></o:p></p> <p class="MsoNormal">All of these<o:p></o:p></p> |
| 3 | Ripple tank is an instrument which is used to study the
characteristics of: |
<p class="MsoNormal">Mechanical waves<o:p></o:p></p> <p class="MsoNormal">Light waves<o:p></o:p></p> <p class="MsoNormal">Radio waves<o:p></o:p></p> <p class="MsoNormal">Electro-magnet waves<o:p></o:p></p> |
| 4 | In simple pendulum motion, restoring force is provided by: |
<p class="MsoNormal">Air resistance<o:p></o:p></p> <p class="MsoNormal">Tension in the string<o:p></o:p></p> <p class="MsoNormal">Inertia<o:p></o:p></p> <p class="MsoNormal">Weight of the body<o:p></o:p></p> |
| 5 | Diffraction of wave can be observed clearly only when the
size of slit or obstacle is nearly ………. To the wavelength of the wave: |
<p class="MsoNormal">Two times<o:p></o:p></p> <p class="MsoNormal">Equal<o:p></o:p></p> <p class="MsoNormal">Four times<o:p></o:p></p> <p class="MsoNormal">Half<o:p></o:p></p> |
| 6 | If the mass of bob of a simple pendulum is doubled, its time
period: |
<p class="MsoNormal">Is doubled<o:p></o:p></p> <p class="MsoNormal">Becomes four times<o:p></o:p></p> <p class="MsoNormal">Remains same<o:p></o:p></p> <p class="MsoNormal">Becomes half<o:p></o:p></p> |
| 7 | The product of frequency and time period is equal to: |
v 0 1 L |
| 8 | The water waves obey the laws of: |
<p class="MsoNormal">Reflection<o:p></o:p></p> <p class="MsoNormal">Refraction<o:p></o:p></p> <p class="MsoNormal">Diffraction<o:p></o:p></p> <p class="MsoNormal">All of these<o:p></o:p></p> |
| 9 | Time period is reciprocal of: |
<p class="MsoNormal">Frequency<o:p></o:p></p> <p class="MsoNormal">Cycle<o:p></o:p></p> <p class="MsoNormal">Wave-length<o:p></o:p></p> <p class="MsoNormal">Amplitude<o:p></o:p></p> |
| 10 | The example of shock absorber of the vehicles are: | Simple harmonic motion <p class="MsoNormal">Vibratory motion<o:p></o:p></p> <p class="MsoNormal">Damped motion<o:p></o:p></p> <p class="MsoNormal">Linear motion<o:p></o:p></p> |
| 11 | The oscillations of a system in the presence of which force
are called damp oscillations: |
<p class="MsoNormal">Resistive force<o:p></o:p></p> <p class="MsoNormal">Attractive force<o:p></o:p></p> <p class="MsoNormal">Coulomb force<o:p></o:p></p> <p class="MsoNormal">Both a and b<o:p></o:p></p> |
| 12 | the motion in which the friction reduces the mechanical
energy of the system as time passes and the amplitude of motion reduces is
called: |
<p class="MsoNormal">SHM<o:p></o:p></p> <p class="MsoNormal">Random motion<o:p></o:p></p> <p class="MsoNormal">Damped motion<o:p></o:p></p> <p class="MsoNormal">Circulatory motion<o:p></o:p></p> |
