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Physics ICS Part 1 Chapter 7 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | Portion of the transverse waves above the men position is |
<p>Crest</p> <p>Through</p> <p>Amplitude</p> <p>Wave length</p> |
| 2 | Transverse waves can't be produced in |
<p>Solids</p> <p>Metal</p> <p>gas</p> <p>fluids</p> |
| 3 | In transverse waves, the particles vibrate. |
<p>Parallel</p> <p>Perpendicular</p> <p>Opposie</p> <p>Anti Parallel</p> |
| 4 | Crests and Troughs are formed in |
<p>Stationalry waves</p> <p>Matter waves</p> <p>Mechaemical waves</p> <p>Transverse waves</p> |
| 5 | The particles of medium in longitudinal wave vibrate direction of propagation |
<p>Parallel</p> <p>Perpendicular</p> <p>Upward</p> <p>None of these</p> |
| 6 | The compressions and elongations are formed in. |
<p>Particle waves</p> <p>Longitudinal waves</p> <p>Statinary waves</p> <p>Transverse waves</p> |
| 7 | The Doppier Effect used in astronomy is for. |
<p>Measuring the diameners of stars</p> <p>Determing velocity of galaxies</p> <p>Analyzing properties of black holes</p> <p>Studying behaviour of electromagnetic waves</p> |
| 8 | The bending of waves around an obstacle is called. |
<p>Refraction </p> <p>Reflection </p> <p>Diffraction </p> <p>Interference</p> |
| 9 | What type of waves do headphones use to produce sound |
<p>Electromagnetic waves</p> <p>Mechancial waves</p> <p>Pressure waves</p> <p>Longitudinal waves</p> |
| 10 | If the amplitude of the wave is tripled. then the amount of energy is increased by |
<p>3 times</p> <p>6 times</p> <p>9 times</p> <p>12 times</p> |
| 11 | The result of constructive interference between two waves is represented as. |
<p>A decrease in amplitude</p> <p>An increase in amplitude</p> <p>No change in amplitude</p> <p>A shift in phase</p> |
| 12 | Harmonics are |
<p>Integer multiple sof a fundamental frequency</p> <p>Integer submultiples of a fundamental frequency</p> <p>Random frequencies</p> <p>Non integer multiples of a fundamantal frequency</p> |
| 13 | Stationary waves are define das. |
<p>Waves that move with a constant velocity</p> <p>Waves that move with a changing velocity</p> <p>Waves that oscillate ina fixed position </p> <p>Waves that propagate through a medium</p> |
| 14 | A notde in a stationary wave is. |
<p>A point of maximum displacement</p> <p>A point of intermediate displacement </p> <p>A point ofzero displacement</p> <p>A point of infiinte displacement</p> |
| 15 | The principle of superposition in waves is stated as. |
<p>The displacemnt of wave is the sum of the displacement of its individual components</p> <p>The velocity of a wave is the product of its indivisudla components</p> <p>The frequency of a wave is the differecne of tis individual componetns </p> <p>The amplitude of a wave is the rato of its individual components</p> |
