MCAT/MCAT Physics Mcq Questions Circular motion Set 2 Sample Test,Sample questions

Question: `A body can have consutant velocity when it follows a`

1.elliptical path

2.circular path

3.parabolic path

4.rectilinear path

1.? R

2.2? R

3.zero

4.4? R

Question: `A cyclist cycling around a circular racing track skids because`

1.the centripetal force upon him is less than limiting friction

2.the centripetal force upon him is greater then limiting friction

3.the centripetal force upon him is equal to the limiting friction

4.the friction between the tyres of the cycle and road vanishes

Question: `A simple pendulum has a bob of mass m and its frequency is f. If we replaced the bob with a heavier one say of 2m then that will be its new frequency?`

1.1/4f

2.1/2f

3.frequency lower than 20 Hz

4.2f

Question: `A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe`

1.always an node in formed

2.always an antinode is formed

3.neither node nor antinode is formed

4.sometimes a node and sometimes an antinode is formed

Question: `A stone is whirled in a vertical circle at the end of a string. When the stone is at the highest position the tension in the string is`

1.maximum

2.zero

3.equal to the weight of the stone

4.less than the weight of the stone

2.isothermal

3.isobaric

4.isochoric

1.?

2.?/2

3.?/30

4.?/180

Question: `Beats are the results of`

1.diffraction of sound waves

2.constructive and destructive interference

3.polarization

4.destructive interference

1.maximum work

2.minimum work

3.negative work

4.no work

Question: `Doppler effect applies to`

1.sound wave only

2.light wave only

3.both sound and light waves

4.neither sound nor light wave

4.2.8 ms-1

1.? /3 x r

2.?/6 x r

3.?/30 x r

4.? / 180 x r

Question: `If stretching force T of wire increases, then its frequency`

1.decreases

2.increases

3.remains the same

4.any of above

Question: `If we whirl a stone at the end of a string in the vertical circle, it is likely to break when the stone is`

1.at the highest point

2.at the lowest point

3.at any point during motion

4.at the point where gravity is not acting

1.F=ma

2.F=?p/?t

3.? = 1a

4.all above

Question: `In case of planets the necessary acceleration is provided by`

1.Gravitational force

2.frictional force

3.coulomb force

4.centripetal force

Question: `In open organ pipe`

1.only even harmonics are present

2.only odd harmonics are present

3.both even and odd harmonics are present

4.selected harmonics are present

1.antinodes

2.nodes

3.troughs

4.crests

1.1.61 ms-1

2.61.0 ms-1

3.0.61 ms-1

4.2.00 ms-1

1.refraction

2.polarization

3.interference

4.diffraction

Question: `On loading the prong of a tuning form with wax its frequency`

1.increases

2.decreases

3.remains unchanged

4.may increase or decrease

Question: `Silence zone takes place due to`

1.constructive interference

2.destructive interference

3.beats

4.resonance

Question: `Sound waves do not travel in vacuum because`

1.they are transverse waves

2.they are stationary waves

3.they require material medium for propagation

4.they do not have enough energy

Question: `The angular speed for daily rotatio of earth in rad S-1 is`

1.2 ?

2.?

3.4 ?

4.7.3 x 10-5 rads-1

1.ML-1T-2

2.ML-2T-2

3.MLT-2

4.ML2T-2

Question: `The distance between any two consecutive crests or troughs is called`

1.frequency

2.period

3.wave length

4.phase difference

1.?

2.?/2

3.2?

4.?/4

1.?/2

2.?/4

3.?

4.2?

Question: `The normal ear is the most sensitive in the frequency range`

1.20000 to 30000 hertz

2.10 to 20 hertz

3.2000 to 4000 hertz

4.6000 to 8000 hertz

Question: `The number of beats produced per second is equal to`

1.the sum of the frequencies of two tuning forks

2.the difference of the frequencies of two tuning forks

3.the ratio of the frequencies of two tuning forks

4.the frequency of either of the two tuning forks

1.silence zone

2.interference

3.beats

4.resonance

1.a = a x r

2.a = r x a

3.a = a x r

4.r = a x a

1.?

2.3?

3.6?

4.12?

Question: `The span of broad jump depends upon`

1.mass of the jumper

2.height of jump

3.angle of projection

4.none

1.313?C

2.586?C

3.819?C

4.1172?C

1.Water

2.air

3.copper

4.ammonia

Question: `The waves that require a material medium for their propagation are called`

1.matter waves

2.electromagnetic waves

3.carrier waves

4.mechanical waves

Question: `Ultrasonic have`

1.frequency in the audible range

2.frequency is greater than 20 kHz

3.frequency lower than 20 Hz

4.all of above

1.332 ms-1

2.320 ms-1

3.Zero

4.224 ms-1

1.energy

2.mass

3.both

4.none

1.1N

2.10N

3.2N

4.100N

Question: `When a body is whirled in a horizontal circle by means of a string the centripetal force is supplied by`

1.mass of a body

2.velocity of body

3.tension in the string

4.centripetal acceleration

1.mV/r2

2.mV/r

3.mV2/r

4.mV2/r2

1.2?

2.?/2

3.?

4.20?

Question: `When the source of sound moves away form a stationary listener then _________ occurs.`

1.an apparent increase in frequency

2.an apparent decrease in frequency

3.an apparent decrease in wavelength

4.no apparent change in frequency

Question: `When two identical traveling waves are superimposed, the velocity of the resultant wave`

1.decreases

2.increases

3.remains unchanged

4.becomes zero

Question: `Which one is the correct relation for fundamental frequency of open and closed pipe?`

1.fopen = 2 fclosed

2.fclosed = 2fopen

3.fopen = fclosed

4.fopen = 1 / f closed

Question: `Which one is the correct relation?`

1.VNewton = V Laplace

2.VNewton =

3.VNewton =

4.VNewton =

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