Physics 2007 Waec Past Questions and Answers

Question 26 :

• WAEC 2007

Which of the following wave is electromagnetic?

A. X-rays
B. Sound waves
C. Water waves
D. Tidal waves

Question 27 :

• WAEC 2007

The distance between two points P and Q, along a wave is 0.05m. If the wave length of the wave is 0.10m, determine the phase angle between P and Q in radians

A. 0.1\(\pi\)
B. \(\pi\)
C. 2\(\pi\)
D. 10\(\pi\)

Question 28 :

• WAEC 2007

Which of the following phenomena is not a direct consequence of rectilinear propagation of light?

A. Lunar and solar eclipses
B. Images of objects in a pin hole camera
C. Diffraction of light
D. Shadows of opaque object

Question 29 :

• WAEC 2007

An object is placed 10cm in front of a plane mirror. If it is moved 8cm away father away from the mirror, determine the distance of the final image from the mirror

A. 2cm
B. 9cm
C. 16cm
D. 18cm

Question 30 :

• WAEC 2007

In which of the following piece of apparatus is the radius of curvature equal to twice the focal length?

A. Converging lens
B. Diverging lens
C. Converging mirror
D. Parabolic mirror