Physics Fsc Part 1 Chapter 8 Online Test With Answers

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Physics Fsc Part 1 Chapter 8 Online Test

Sr. # Questions Answers Choice
1 the velocity of sound at 0 oC is 332 ms-1, the velocity of sound at 10 oC will be 337.1 ms-1 338.1 ,ms-1 342.1 ms-1 328.1 ms-1
2 Speed of sound in vacuum is 280 ms-1 332 ms-1 333 ms-1 Zero ms-1
3 According to Newton's formula, the speed of sound in air at STP is 332 ,ms-1 340 ms-1 350 ms-1 280 ms-1
4 According to Newton, sound travels in air under conditions of. Adiabatic Isothermal Isobaric Isochoric
5 If 30 waves per second pass through a medium at a speed 30 ms-1, then the wavelength is. 30 m 15 m 1 m 28 m
6 If the wave motion is 0.01 sec and wave speed is 100 ms-1 then frequency of wave is. 0.5 Hz 1 Hz 10 Hz 100 Hz
7 The distance between two consecutive trough is called. Displacement Amplitude Wave length Wave front
8 The distance between two consecutive crest is called. Displacement Amplitude Wave front Wavelength
9 If 20 waves passes through he medium in 2 sec of 10 ms-1 then he wavelength is. 200 m 2 m 1 m 0.5 m
10 Crests and trough are formed in. Longitudinal waves transverse waves Stationary waves Compression waves
11 If 332 waves pass through a medium in 1 second with speed of 332 ms-1 then wavelength will be 7 m 332 m 664 m 1 m
12 The profile of periodic waves generated by a source executing S.H.M is represented by a. Circle Sine curve Tangent curve Cosine curve
13 10 waves pass through a point in 2 seconds with speed 10 ms-1 the frequency of wave will be 1 Hz 2 Hz 5 Hz 10 Hz
14 Half wavelength corresponds to 0 <sup>o</sup> 90 <sup>o</sup> 180 <sup>o</sup> 360 <sup>o</sup>
15 The distance covered by wave in 1 sec is wavelength Wave number Wave speed Frequency
16 the wavelength of transverse wave travelling with a speed 'v' having frequency 'f' in equal to f/v Vf V/f f/V2
17 In vibrating string, the points where the amplitude is maximum are called. Nodes Antinodes Troughs Crests
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