Courses » WAEC » WAEC Physics » Physics Exam Topics » 1994 - Questions and Answers

1994 - WAEC Physics Past Questions and Answers - page 1

1
which of the following is a scalar quantity?
A
Tension
B
Weight
C
Impulse
D
Upthrust
Ask EduPadi AI for a Detailed Answer
2
In which of the following simple machines is the effort applied between the load and the fulcrum?
A
Scissors
B
Pliers
C
Wheel barrow
D
Sugar tongs
Ask EduPadi AI for a Detailed Answer
3

The ice and steam points on a mercury in glass thermometer are found to be 90mm apart. What temperature is recorded in degree Celsius when the length of the mercury thread is 33.6mm above the ice point mark?

A
33.6°C
B
35.0°C
C
37.3°C
D
52.7°C
Ask EduPadi AI for a Detailed Answer
4
A gas occupies a certain volume at 27°C. At what temperature will its volume be three times the original volume assuming that its pressure remains constant?
A
81°C
B
162°C
C
354°C
D
627°C
Ask EduPadi AI for a Detailed Answer
5
When two objects P and Q are supplied with the same quantity of heat,the temperature change in P is observed to be twice that in Q. If the masses of P and Q are the same,calculate the ratio of the specific heat capacities of P and Q
A
1:1
B
1:3
C
1:4
D
1:2
Ask EduPadi AI for a Detailed Answer
6
The instrument used in the measurement of atmospheric pressure is?
A
Hydrometer
B
Ratemeter
C
Barometer
D
Photometer
Ask EduPadi AI for a Detailed Answer
7
A tap supplies water at 30°C while another supplies at 86°C. If a man wishes to bath with water at 44°C, calculate the ratio of mass of hot water to that of cold water required
A
1:3
B
3:1
C
3:7
D
7:3
Ask EduPadi AI for a Detailed Answer
8
A steam trap is a component of apparatus used in determining the specific latent heat of vaporization of steam. In the steady state, the steam trap
A
stores the steam for future use
B
prevents the steam from escaping
C
ensures that only dry steam gets into the calorimeter
D
allows condensed steam to go into the calorimeter
Ask EduPadi AI for a Detailed Answer
9
A hygrometer is an instrument used to measure
A
Dew point
B
Temperature
C
Relative density
D
Relative humidity
Ask EduPadi AI for a Detailed Answer
10
The image of an object placed at the center of the curvature of a concave mirror is
A
Inverted and magnified
B
at the principal focus
C
real and diminshed
D
Erect and virtual
Ask EduPadi AI for a Detailed Answer
Please share this, thanks: