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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