Measurements and Units - Jamb Physics Past Questions and Answers

Question 6:

• JAMB 1980

A tugboat is travelling from Asaba to Onitsha across the River Niger with a resultant velocity of 20 knots. If the river flows at 12 knots, the direction of motion of the boat relative to the direction of water flow is

A. 36.87^oC
B. 53.13^oC
C. 90^oC
D. 136^oC
E. 143.13^oC

Question 7:

• JAMB 1981

An aircraft travelled from calabar to kano as follows: it flew first to ilorin convering a distance of 300km, 30^o west of North, and then flew 400km, 60^o East of North to kano. What is the resultant displacement?

A. 567km
B. 410km
C. 594km
D. 500km
E. 600km

Question 8:

• JAMB 1982

One of the following readings represents the measurement of the length of a metal rod using vernier callipers, Taking the reading accuracy into consideration, the most likely one is

A. 5.15cm
B. 5.165cm
C. 5.0cm
D. 5.160cm
E. 5cm

Question 9:

• JAMB 1982

The accurate measurement of the relative density of substances in powder or granular form can be done using a beam balance and a

A. Pipette
B. Burette
C. Measuring cylinder
D. Density
E. Bottle

Question 10:

• JAMB 1982

Two taxis leave benin and agbor some 80km apart at 1200hr as shown above. from the distance time graph shown the distance of their meeting point P, from Benin and the time of their meeting are

A. 27km, 1218hr
B. 29km, 1315hr
C. 40km, 1418hr
D. 53km, 1436hr
E. 60km, 1500hr