2004 - WAEC Physics Past Questions and Answers - page 3
Which of the following values on the absolute scale of temperature is the ice point?
On a cold day, a concrete floor feels colder to the bear foot then a mat on the same floor because the
When a metal ball is heated through 30oC,its volume becomes 1.0018cm3. If the linear expansivity of the material of the ball is 2.0 x 10-5 K-1, calculate its original volume
A faulty barometer reads 72.6cm Hg when the atmospheric pressure is 75.0cm Hg. Calculate the atmospheric pressure when the barometer reads 72.0cn Hg
On a basis of the kinetic theory, an increase in the temperature of a fixed volume of an ideal gas causes
The temperature of 900cm3 of an ideal gas at a pressure of 114cm Hg is 27oC. Calculate its volume at 76cm Hg and 0oC
The basic difference between a transverse wave and a longitudinal wave travelling in the same direction in a medium is in the
A wave travelling from water to glass suffers a change in its speed at the common boundary. Which of the following properties explains this observation?
The image of an optical pin placed at the principal focus of a concave mirror will be formed
A man 1.8m tall stands 3m away from a pin hole camera. If the distance between the pin hole and the screen of the camera is 0.3m. Calculate the height of the image of the man produced by the camera