Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
Physics ICS Part 1 Chapter 7 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | Radar System is an application of. |
<p>Interference</p> <p>Beats</p> <p>Stationary waves</p> <p>Doppler's Effect</p> |
| 2 | Which one of the following medium cna transmit both transverse and longitudinal wave. |
<p>Liquid</p> <p>Solid</p> <p>gas</p> <p>Both a and b</p> |
| 3 | The ripple tank is used to study various features of |
<p>Wave</p> <p>Particle</p> <p>Light</p> <p>Sound</p> |
| 4 | The wave is used to transfer. |
<p>Energy</p> <p>Mass</p> <p>Weight</p> <p>Frequency</p> |
| 5 | Example of mechanical way is. |
<p>Water wave</p> <p>Radio wave</p> <p>Infrared wave</p> <p>Ultraviolet</p> |
| 6 | High rrequency radio waes used in radars travel in water. |
<p>Few centimeter</p> <p>Few meter</p> <p>Few kilometer</p> <p>No Distance</p> |
| 7 | The waves produced due to oscillation of electric and magnetic fields are. |
<p>E.M. Waves</p> <p>Mechanicla waves</p> <p>Sound waves</p> <p>Light waves</p> |
| 8 | If the tension of a stretched string is made four times, then the velocityof wave. |
<p>Remain same</p> <p>Is halved</p> <p>Becomes twice</p> <p>Becomes 4 times</p> |
| 9 | Two identical waves moving in same direction produce. |
<p>Beats</p> <p>Interference</p> <p>Stationary</p> <p>Diffraction</p> |
| 10 | The path difference is an integral multiple of wavelength in |
<p>Construcitve intrference</p> <p>Constructive and destructie interference</p> <p>destructive intereference</p> <p>Superposition</p> |
| 11 | The path difference is an odd integral multiple of half wavelength is for |
<p>Constructie interferece</p> <p>Destructive interference</p> <p>Both a and b</p> <p>Beats</p> |
| 12 | The beats are result of. |
<p>Interference</p> <p>Superposition </p> <p>Destructive interference</p> <p>Constructive and destuctive interference</p> |
| 13 | Beats can be heard when differecne of frequency is not more than. |
<p>10 Hz</p> <p>8 Hz</p> <p>4 Hxz</p> <p>6 Hz</p> |
| 14 | In order of produce beat, the two sound waves should have. |
<p>The same amplitude</p> <p>Slightly different amplitude</p> <p>Slightly different frequencies</p> <p>The same frequency</p> |
| 15 | If 30 waves per second pass through a medium at speed of 30 ms-1, the wavelength is. |
<p>30 m</p> <p>15 m</p> <p>900 m</p> <p>1 m</p> |
| 16 | If 20 waves pass through medium in one second with a speed of 20 m/sec than wavelength is |
<p>1 m</p> <p>10m</p> <p>20m</p> <p>2 m</p> |
| 17 | We get light inside a room in a day time due to. |
<p>Interfereence</p> <p>Diffraction </p> <p>Polarization </p> <p>Refraction</p> |
