Waec Physics 2009 Past Questions and Answers

Question 21:

• WAEC 2009

Which of the following is used to measure relative humidity?

A. Hydrometer
B. Barometer
C. Hypsometer
D. Hygrometer

Question 22:

• WAEC 2009

Which of the following factors affect the rate of evaporation of a liquid? i. Exposed surface area ii Temperature of the surroundings iii. Thermal capacity of the liquid iv. Relative humidity of the surroundings

A. Ii and iii only
B. Ii, iii and iv only
C. I, iii and iv only
D. I, ii amd iv only

Question 23:

• WAEC 2009

The maximum displacement of a vibrating tunning fork is its

A. Amplitude
B. Frequency
C. Period
D. Wavelength

Question 24:

• WAEC 2009

A boat is rocked by waves of speed 30ms^-1 whose successive crest are 10m apart. Calculate the rate at which the boat recieves the waves

A. 30s^-1
B. 10s^-1
C. 3s^-1
D. 1s^-1

Question 25:

• WAEC 2009

Which of the following waves is not transverse

A. Light waves
B. Sound waves
C. Sea waves
D. Radio waves