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MCAT Physics Practice Test

Christine Sang 14 preguntas 1.781 visitas 5,0 (1 valoración)

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Preguntas del test (14)

  1. 1A small magnet of mass 1 g is levitated by a piece of superconductor. What is the force the magnet exerts on the superconductor? (g = 10m/s^2)
    1. A0 N
    2. B0.001 N
    3. C0.01 N
    4. D1 N
  2. 2A woman stands on a bathroom scale in an elevator which is not moving. The scale reads 500 N. The elevator then moves downward at a constant velocity of 5 m/s. What does the scale read while the elevator descends with constant velocity?
    1. A100 N
    2. B250 N
    3. C450 N
    4. D500 N
  3. 3A point source of sound on top of a police car emits a signal at 1000 Hz. If the car is traveling in a straight line at 20.0 m/s, what is the perceived wavelength (to three significant figures) as measured by someone standing on the road directly in front of the car? Take the speed of sound to be 335 m/s.
    1. A0.305 m
    2. B0.203 m
    3. C0.315 m
    4. D0.355 m
  4. 4Converging lenses can produce:
    1. Aonly upright images
    2. Bonly inverted images
    3. Cboth upright and inverted images depending on the distance of the object
    4. Dboth upright and inverted images simultaneously
  5. 510 kg of the isotope tritium, which has a half-life of 12.3 years, is produced at a reactor. Which of the following values, in kg, is closest to the mass of tritium that will remain after 30 years?
    1. A7.5
    2. B1.8
    3. C0.9
    4. D6.6
  6. 6A thin lens with focal length f is to be used as a magnifying glass. Which of the following statements regarding this situation is true?
    1. AA converging lens must be used, and the object be placed at a distance greater than 2 from the lens
    2. BA diverging lens must be used, and the object be placed between f and 2f from the lens
    3. CA converging lens must be used and the object be placed at a distance less than f from the lens
    4. DA diverging lens must be used and the object be placed at any point other than the focal point
  7. 7In general. doubling the amplitude of a wave:
    1. Adoubles the frequency
    2. Bhalves the period
    3. Cquadruples the energy
    4. Ddoubles the speed
  8. 8Ocean waves with a wavelength of 120 m approach the shore at the rate of 8 per minute. What is their speed (to two significant figures)?
    1. A8 m/s
    2. B16 m/s
    3. C24 m/s
    4. D30 m/s
  9. 9Check all that are true for an ideal stationary fluid.
    1. AThe density increases linearly with depth
    2. BOnly the fluid at the surface is in mechanical equilibrium
    3. CThe fluid below the surface has a propensity toward the mechanical equilibrium
    4. DThe pressure increases linearly with depth
  10. 10A woman floats comfortably in a sitting position in a body of water. Her entire torso (above the belly button) is above the surface of the water. What does this situation tell you about the water?
    1. AIt's not possible
    2. BThe water has a dissolve addictive (such as salt) which makes it much more dense than fresh water
    3. CThe temperature of the water is significantly higher than normal
    4. DThe woman is wearing a hat made of buoyant material

Información

Descripción
SAT MCAT Test sobre MCAT Physics Practice Test, creado por Christine Sang el 22/05/2014.
Idioma
English
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