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Physics Past Questions and Answers

Topic: Surface tension

Jamb Physics Questions - Surface tension

Question 1:
Which of the following is NOT a force?
  • A Friction
  • B Tension
  • C Upthrust
  • D Weight
  • E Impulse
View Answer & Explanation
Question 2:
A force of 100N stretches an elastic string to a total length of 20cm. If an additional force of 100N stretches the string 5cm further, Find the natural length of the string
  • A 15cm
  • B 12cm
  • C 10cm
  • D 8cm
  • E 5cm
View Answer & Explanation
Question 3:
The energy contained in a wire when it extended by 0.02m by a force 500 N is
  • A 5J
  • B 10J
  • C 10<sup style='font-size: smaller;'>3</sup>J
  • D 10<sup style='font-size: smaller;'>4</sup>
View Answer & Explanation
Question 4:
The colours seen in the thin films of oil on the road and in soap bubbles are due to
  • A Reflection
  • B Interference
  • C Diffraction
  • D Polarization
View Answer & Explanation
Question 5:
The colours seen on soap bubbles are due to
  • A Diffraction
  • B Refraction
  • C Dispersion
  • D Interference
View Answer & Explanation