Jamb Physics 2009 Past Questions and Answers

Question 41:

• JAMB 2009

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

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

Question 42:

• JAMB 2009

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]

A. 4.99 x 10⁵ Nm^-2
B. 9.80 x 10³ Nm^-2
C. 4.98 x 10³ Nm^-2
D. 9.80 x 10⁵ Nm^-2

Question 43:

• JAMB 2009

The wave phenomenon demonstrated in the diagram above is

A. Reflection
B. Deflection
C. Diffraction
D. Refraction

Question 44:

• JAMB 2009

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

A. 20 Nm^-1
B. 40 Nm^-1
C. 30 Nm^-1
D. 10 Nm^-1

Question 45:

• JAMB 2009

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

A. 3.0 x 10¹⁴ Hz
B. 6.0 x 10¹⁴ Hz
C. 6.0 x 10¹² Hz
D. 2.5 x 10¹⁴ Hz