2015 - WAEC Physics Past Questions and Answers - page 4
Red light travels faster than blue light when both of them pass through a glass prism because the
An object is placed 20cm from a concave mirror of focal length 15cm. Calculate the linear magnification of the image formed
All electromagnetic waves in a vacuum have the same
The diagram given illustrates two charged particles W and X. The charges on W and x are respectively
An alternating current supply is connected to an electric lamp which lights with the same brightness as it does with direct current source emf 6v. The peak potential difference of the a.c supply is
An electric generator rated 12 kW, 2 kV distribute power through a cable of resistance 20\(\Omega\). Calculate the power loss in the cable.
Which of the following statements is correct? When capacitors of different values are connected in series
Which of the following statements about a three-pin plug is/are correct. i. The brown wire is the live wire. ii. The fuse is connected to the live wire. iii. The earth wire is coloured blue
The symbol illustrated above is that of a resistor
A wire of cross-sectional area 0.60mm2 has a restivity of 7.2 x 10-7 (\Omega). Calculate the length of wire that will have a resistance of 3(\Omega).