Waec Physics 2005 Past Questions and Answers

Question 31:

• WAEC 2005

A ray of light is incident normally on a plan mirror. If the incident ray is kept fixed while the mirror is rotated through an angle of 30^o, determine the initial and final angles of reflection respectively

A. 0^o and 60^o
B. 90^o and 30^o
C. 0^o and 30^o
D. 90^o and 60^o

Question 32:

• WAEC 2005

In which of the following media is the transmission of sound wave fastest?

A. Vacuum
B. Air
C. Wood
D. Iron

Question 33:

• WAEC 2005

The ability of a material to store an electric charge when its plates are at different potentials is referred to as its

A. Conductance
B. Inductance
C. Capacitance
D. Resistance

Question 34:

• WAEC 2005

Two capacitors if capacitance 0.4\(\mu F\) and 0.5\(\mu F\) are connected in parallel and charged to a p.d. of 50V, Determine the total charge acquired

A. 45\(\mu C\)
B. 25\(\mu C\)
C. 20\(\mu C\)
D. 10\(\mu C\)

Question 35:

• WAEC 2005

A parallel plate capacitor of capacitance 600\(\mu F\) has a potential difference of 200V between its plates. Calculate the charge on either plate of the capacitor

A. 1.2C
B. 3.3C
C. 3330.0C
D. 12.0000.0C