1995 - WAEC Physics Past Questions and Answers - page 3
A ray of light is incident on mirror m1 and after reflection is incident on mirror m2 as shown in the diagram, calculate the angle of reflection of the ray at mirror m2
A ray of light is incident on a body x as shown in the diagram above. What is the refractive index of the body?
Light travels in straight lines. In which of the following is this principle manifested? I. Pinhole camera II Formation of shadows III. Diffraction of light IV. Occurrence of eclipse
The image of any real object formed by a diverging lens is always
Which of the following is not self-luminous?
An object is placed on the principal axis at the centre of curvature of a concave mirror. The image of the object formed by the mirror is
A wire is stretched between two points, 1m apart. If the speed of the wave generated on plucking the wire is 200ms-1, what is the minimum frequency which will resonate with the wire?
Sixty complete waves pass a particular point in 4s. lf the distance between three successive troughs of the waves is 15m, calculate the speed of the waves,
Which of the following media allow(s) the transmission of sound wave through them? I. Air II. Liquid III. Solid.
Which of the following wave characteristics can be used to distinguish a transverse wave from a longitudinal wave?