2004 WAEC SSCE Physics Past Questions

2004

The temperature of 900cm3 of an ideal gas at a pressure of 114cm Hg is 27oC. Calculate its volume at 76cm Hg and 0oC

2004

On a basis of the kinetic theory, an increase in the temperature of a fixed volume of an ideal gas causes

2004

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

2004

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

2004

A magnified and virtual image of a near object is produced by

2004

During a thunderstorm, lightning and thunder occurred simultaneously in the atmosphere. An observer on the earth surface's sees the lightning flash shortly before hearing the thunder. This is because the

2004

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

2004

The image of an optical pin placed at the principal focus of a concave mirror will be formed

2004

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?

2004

Which of following functions is performed by manganese IV oxide in the Lenclanche cell?

2004

Charges on a conductor are

2004

The sound from a vibrating tuning sound is when the tip of its stem is placed on a wooden table than when in air because

2004

Which of the following reasons explains why the walls and ceilings of a standard concert hall are usually covered with perforated pads? To

2004

A girl stand 80m away from a tall cliff and blows a whistle. If the speed of sound in air is 330ms-1, how long would it take for her to hear the echo of the sound?

2004

Given that the gravitational constant is G. Newton's universal law of gravitation states that the force of attraction between two masses M1 and M2 separation by a distance r is

2004

Calculate the energy stored in a 20\(\mu F\) capacitor. If the p.d between the plates is 40V

2004

The quantity of electric charge stored in a capacitor is measured in

2004

Find the cost of running a 60W lamp for 24 hours. If 1kW hr cost 5 naira

2004

A car fuse marked 3A operates optimally on a 12V battery, calculate the resistance of the fuse

2004

In which of the following devices is the principle of photoelectric effect not applicable?

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