Post Utme Physics Past Questions and Answers

Question 536:

The ray which causes gas molecules to glow is known as ____________

A. Molecular ray
B. Gamma ray
C. Anode ray
D. Cathode ray

Question 537:

The charge carriers in gases are ____________

A. Ions only
B. Electrons and holes
C. Electrons only
D. Electrons and ions

Question 538:

Which of the following materials is a conductor?

A. Plastic
B. Sodium
C. Wax
D. Glass

Question 539:

The instrument used for securing a large number of similar charges by induction is called ____________

A. Capacitor
B. Electrophorus
C. Electroscope
D. Proof plane

Question 540:

The pitch of a sound note depends on ____________

A. Timbre
B. Harmony
C. Quality
D. Frequency