Post Utme Physics Past Questions and Answers

Question 551:

A 3000W electric cooker is to be used on a 200V mains current. Which of the fuses below can be used safely with the cooker?

A. 2A
B. 5A
C. 10A
D. 20A

Question 552:

\(\mathrm{Na}+\) Proton \(\rightarrow{ }_{\mathrm{p}}^{\mathrm{q}}+\) alpha particles. What are the values of \(p\) and \(\mathrm{q}\) respectively in the equation above?

A. 10 and 20
B. 12 and 24
C. 20 and 10
D. 24 and 12

Question 553:

One end of a long wire is fixed while a vibrator is attached to the other end. When the vibrator is energized, the types of wave generated in the wire are ____________

A. Stationary and transverse
B. Progressive and transverse
C. Stationary and longitudinal
D. Progressive and longitudinal

Question 554:

A boy observes a piece of stone at the bottom of a river 10m deep. If he looks from the surface of the river, what is the apparent distance of the stone from him?

A. \(4.5 \mathrm{~m}\)
B. \(5.0 \mathrm{~m}\)
C. \(5.5 \mathrm{~m}\)
D. \(8.0 \mathrm{~m}\)

Question 555:

Radio is operated by eight cells each of e.m.f 2.0V connected in series. If two of the cells are wrongly connected, the net e.m.f of the radio is ____________

A. 16V
B. 12V
C. 10V
D. 8V