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Physics Past Questions and Answers

Jamb Physics Questions

Question 1481:

The terminal velocity of a ball-bearing falling through a viscous fluid reached when the

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A Upthrust is equal to the weight of the ball
B Ball accelerate uniformly
C Upthrustis equal to the velocity of the ball
D Velocity is uniform

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Question 1482:

The pressure of two moles of an ideal gas at a temperature of 27^oC and volume 10^-2m³ is
[R = 8.313 J mol^-1K^-1]

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A 4.99 x 10<sup style='font-size: smaller;'>5</sup> Nm<sup style='font-size: smaller;'>-2</sup>
B 9.80 x 10<sup style='font-size: smaller;'>3</sup> Nm<sup style='font-size: smaller;'>-2</sup>
C 4.98 x 10<sup style='font-size: smaller;'>3</sup> Nm<sup style='font-size: smaller;'>-2</sup>
D 9.80 x 10<sup style='font-size: smaller;'>5</sup> Nm<sup style='font-size: smaller;'>-2</sup>

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Question 1483:

The wave phenomenon demonstrated in the diagram above is

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A Reflection
B Deflection
C Diffraction
D Refraction

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Question 1484:

The diagram above represents the graph of the force F applied in stretching a spiral spring against the corresponding extension (X). The force constant of the spring is

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A 20 Nm<sup style='font-size: smaller;'>-1</sup>
B 40 Nm<sup style='font-size: smaller;'>-1</sup>
C 30 Nm<sup style='font-size: smaller;'>-1</sup>
D 10 Nm<sup style='font-size: smaller;'>-1</sup>

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Question 1485:

If a light wave has a wavelength of 500nm in air what is the frequency of the wave?
[c = 3 x 10⁸ ms^-1]

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A 3.0 x 10<sup style='font-size: smaller;'>14</sup> Hz
B 6.0 x 10<sup style='font-size: smaller;'>14</sup> Hz
C 6.0 x 10<sup style='font-size: smaller;'>12</sup> Hz
D 2.5 x 10<sup style='font-size: smaller;'>14</sup> Hz

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