Jamb 1994 Physics Past Questions And Answers

Note: You Can Select Post UTME Schools Name Below The Exam Year.
1

If the Nigeria flag (green, white, green) is viewed in pure yellow light, which of the following set of colours would be observed on the flag?

  • A. Green, yellow, green
  • B. Red, yellow, red
  • C. black, yellow, black
  • D. Green, white, green
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2

A spring of length 25cm is extended to 30cm by a load of 150N attached to one of its end, what is the energy stored in the spring?

  • A. 3750J
  • B. 2500J
  • C. 3.75J
  • D. 2.50J
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3

Which of the following has the lowest internal resistance when new?

  • A. leclanche cell
  • B. Daniel cell
  • C. Accumulator
  • D. Torch battery
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4

If two parallel conductors carry currents flowing in the same direction, the conducts will

  • A. attract each other
  • B. repel each other
  • C. both move in the same direction
  • D. have no effect on each other
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5

An object of mass 50kg is released from a height of 2m.Find the kinetic energy just before it strikes the ground

  • A. 250J
  • B. 1000J
  • C. 10 000J
  • D. 100 000J
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6

When a biro pen rubbed on a dry silk cloth is moved very close to a piece of paper on a dry table, the pen is found to pick up the paper. This is because

  • A. both the pen and the cloth are magnetized
  • B. the pen is magnetized but the cloth is not
  • C. the pen is charged while the cloth is magnetized
  • D. both the pen and the cloth are charged
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7

A boat travels due east at a speed 40ms-1s across a river flow due south at 30ms-1s. What is the resultant speed of the boat?

  • A. 1.3ms-1
  • B. 10.0ms-1
  • C. 50.0ms-1
  • D. 70.0ms-1
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8

Two capacitors R1 = 4Ω and R2 = 5Ω are connected in parallel across a potential difference. If P1 and P2 represent power dissipated in R 1 and R2 respectively, then the ratio P1 : P2 is

  • A. 4 : 5
  • B. 5 : 4
  • C. 16 : 25
  • D. 25 : 16
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9

To produce a parallel beam of light from a concave mirror, the distance at a which the lamp should be placed from the mirror is equal to

  • A. the focal length
  • B. two times the focal length
  • C. the distance of the image
  • D. two times the radius of curvature
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10

In the curve below, PQRST represents an alternating voltage of frequency 50Hz. The time interval between points P and R on the graph is

  • A. 25s
  • B. 1/50s
  • C. 1/100s
  • D. 1/200s
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