Post Utme Physics Past Questions and Answers

Question 746:

The melting point Naphtalene is 78^oC. what is the temperature in Kelvin?

A. 100k
B. 351k
C. 378k
D. 444k

Question 747:

In a room saturated with water vapour. The temperature of the room must be ____________

A. At 0^oC
B. Above the dew point
C. At 100^oC below or at the dew point

Question 748:

The fundamental frequency of vibration of a sonometer wire may be halved by ____________

A. Doubling the length of the wire
B. Doubling the mass of the wire
C. Reducing the tension by half
D. Reducing the absolute temperature by half

Question 749:

If the Nigerian flag (green, white green) is viewed in pure yellow light, which of the following colours would be observed on the flag

A. Green, yellow, green
B. Red, yellow, red
C. Black, yellow, black
D. Green white, green

Question 750:

When a biro pen rubbed on a dry silk cloth is moved very close to a pieces of paper. This is because ____________

A. Both the and the cloth are magnetized
B. The pen is magnetized but the cloth is not
C. The pen is charged when the cloth is magnetized
D. Both the pen and the cloth are charged