Waec Physics 2015 Past Questions and Answers

Question 26:

• WAEC 2015

The diagram given illustrates a wave form. Determine the speed of the wave

A. 5.4 ms^-1
B. 8.4 ms^-1
C. 9.6 ms^-1
D. 10.0 ms^-1

Question 27:

• WAEC 2015

What type of wave is emitted by a loud speaker?

A. Transverse
B. Longitudinal
C. Gamma
D. Radio

Question 28:

• WAEC 2015

An object is placed 15cm from a diverging lens of focal length 12cm. The image of the object formed by the lens in

A. Real and 6.67cm from the lens
B. Virtual and 6.67cm from the lens
C. Real and 60.00cm from the lens
D. Virtual and 60.00cm from the lens

Question 29:

• WAEC 2015

A swimming pool is .1m deep. If it contains water of refractive index 1.3, calculate the apparent depth of pool

A. 3.4m
B. 2.7m
C. 1.6m
D. 0.8m

Question 30:

• WAEC 2015

When an air column is set into vibrations, the distance between two consecutive nodes of the resultant wave is

A. One quarter of the wavelength
B. Half of the wavelength
C. The wavelength
D. Twice the wavelength