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ILEMELA PHYSICS ANSWERS

Physics Exam Questions

Physics Exam Questions

Question 1

A bus carrying the heavy load on its carriers can easily overturn because:

  • A. It cannot run very fast
  • B. Its equilibrium is stable
  • C. Its center of gravity is low
  • D. It is more stable and can run fast
  • E. Its center of gravity is high

Answer: E. Its center of gravity is high

Question 2

Which of the following is not a suitable method of decreasing friction?

  • A. Ball bearing
  • B. Lubrications
  • C. Polishing
  • D. Treading
  • E. Oiling

Answer: D. Treading

Question 3

Which of the following scientific statements needs to be proved through scientific research?

  • A. Hypothesis
  • B. Principle
  • C. Conclusion
  • D. Proposal
  • E. Measurement

Answer: A. Hypothesis

Question 4

Which metals become strongly magnetized when subjected to a magnetic field?

  • A. Nickel and Copper
  • B. Zinc and Aluminum
  • C. Cobalt and Iron
  • D. Aluminum and Lead
  • E. Iron and Zinc

Answer: C. Cobalt and Iron

Question 5

When the simple cell is in use, the hydrogen bubbles are formed around a copper plate. This cell defect is called:

  • A. Local action
  • B. Polarization
  • C. Amalgamation
  • D. Hydrogenation
  • E. Electrolysis

Answer: B. Polarization

Question 6

A Piece of cork of volume 100 cm3 floating on the surface of water. If the density of the cork is 0.25 g/cm3, what volume of the cork is immersed in the water?

  • A. 100 cm3
  • B. 0.25 cm3
  • C. 4 cm3
  • D. 25 cm3
  • E. 40 cm3

Answer: E. 40 cm3

Question 7

A type of switch that cuts off the flow of electric current when the current exceeds a specific value and can reset once the current in the circuit has returned to normal:

  • A. Fuse
  • B. Plug
  • C. Circuit breaker
  • D. Main switch
  • E. Earthing wire

Answer: C. Circuit breaker

Question 8

Which of the following electromagnetic waves have the largest wavelength?

  • A. Ultraviolet
  • B. Infrared
  • C. Gamma rays
  • D. Radio waves
  • E. X-rays

Answer: D. Radio waves

Question 9

A gas of volume 900 cm3 at 27℃ when warmed at constant pressure to 87℃ will occupy a new volume of:

  • A. 750 cm3
  • B. 980 cm3
  • C. 279 cm3
  • D. 1080 cm3
  • E. 2900 cm3

Answer: D. 1080 cm3

Question 10

Which one of the following is not a property of the cathode ray?

  • A. They are a stream of fast-moving protons
  • B. They travel in straight lines
  • C. They are deflected by electric fields
  • D. They produce x-rays when stopped suddenly
  • E. They are negatively charged

Answer: A. They are a stream of fast-moving protons


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