Post Utme Physics Questions
Question 1:
An element and its isotopes differ only in the number of ____________
- A Electrons
- B Neutrons
- C Protons
- D Irons
Question 2:
Complete the following sentence: When electrons from a heated filament accelerate through vacuum toward a positive plate,
- A Only an electric field will be produced.
- B Only a magnetic field will be produced.
- C Electromagnetic waves will be produced.
- D Longitudinal waves will be produced.
Question 3:
Radioactive elements are ____________
- A Chemically reactive elements
- B Noble elements
- C Rare earth elements
- D Elements that spontaneously emit radiation
Question 4:
The following radiations are electrically neutral except
- A A-rays
- B \(Y\)-rays
- C X-rays
- D Neutrons
Question 5:
Upon which one of the following parameters does the energy of a photon depend?
- A Mass
- B Polarization
- C Amplitude
- D Frequency