2006 - WAEC Physics Past Questions and Answers - page 4
A ray from a fixed object is incident on a plane mirror at an angle of 20o. If the mirror is rotated through 30o by how many degree would the reflected ray rotate?
Which of the following distances is usually adjustable in the camera? The distance between the
A travelling microscope is focused on a mark on a table. If a glass block of thickness 18.0cm is placed on the mark by how many centimeters will the microscope be moved upwards so as to focus the mark once again? [refractive index of glass = 1.5]
In which of the following media would sound wave travel fastest?
Which of the following actions is necessary in order to tune a string to produce a note of an octave higher than its fundamental?
The acceleration due o gravity may be defined as the force
An electron of mass m and charge (\Box) enters a uniform electric field between two metal plates P and q separated by a distance d. P is maintained at a potential V while Q is earthed. Determine an expression for the magnitude of the acceleration of electron through the field
Which of the following factors does not affect the capacitance of a parallel plate capacitor?
The equivalent capacitance of a 3(\mu F) capacitor and a 6(\mu F) capacitor connected in parallel is
a cell of e.m.f. 1.5V and internal resistance 1.0(\Omega) is connected to two resistor of resistance 2.0(\Omega) and 3.0(\Omega) in series. Calculate the current through the resistors