MDCAT Physics Chapter 6 Waves Online Test

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MDCAT Physics Chapter 6 Waves Online Test

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MDCAT Physics Chapter 6 Waves Online Test

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Question # 1

A wave which consists of a single, non-repetitive disturbance is called a

Question # 2

If a transverse wave has a speed of 10 m/ sec and frequency of 10 cycle/ sec itswavelength is:

Question # 3

A progressive sound wave is a means of transferring energy. A progressive sound waveof constant frequency is generated in air. The intensity of energy transfer is directlyproportional to another of the wave parameters. Which of the following is correct?

Question # 4

Which one is the case when the wavelength is actually changed?

Question # 5

A sonar depth finder in a boat uses sound signals to determine the depth of water. Fourseconds after the sound leaves the boat it returns to the boat because of reflection fromthe bottom. Assume the speed of sound in water is 1,460 meters per second. The depth of the water is, in meters, :

Question # 6

It is a common characteristic of all types of wave motion that

Question # 7

With the propagation of longitudinal waves through a material medium, the quantitiestransferred in the direction of propagation are:

Question # 8

When temperature increases, frequency of organ pipe:

Question # 9

A string vibrates in 1 loop has frequency 25 Hz if it moves in 2 loops its frequencywould be:

Question # 10

When an observer moves towards a stationary source with a speed equal to 1/5 timesof speed of sound, the percentage increase in the frequency of sound is:

Question # 11

The fundamental frequency of a closed organ pope is 50 Hz. The frequency ofsecond over tone is

Question # 12

In closed end organ pipe, the frequency of first harmonic is 300 Hz. The frequency ofthird overtone is :

Question # 13

A listener observes the frequency “f” of stationary source. If it move toward with 3 times of velocity of sound. Then the apparent frequency of the sound will be

Question # 14

A whistle is revolved with high speed in a horizontal circle of radius R. to an observer at the centre of the circle the frequency of the whistle will appear to be:

Question # 15

Bats navigate and find food by:

Question # 16

If source and observer are moving towards each other with same speed and aftercrossing they are receding each other then frequency observed by observer:

Question # 17

Wavelength of the wave is the distance between the particles of the medium having adifference of:

Question # 18

If the tension in a string stretched between two fixed points is made four times, the frequency of the fundamental harmonic will become:

Question # 19

A sonometer wire 100 cm in length has a fundamental frequency of 330 Hz. Thevelocity of propagation of waves along the wire is

Question # 20

The spectrum of a star’s light is measured and the wavelength of one of the lines as thesodium’s line is found to be 589 nm. The same line has the wavelength of 497 nm whenobserved in the laboratory. This means the star is

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