Post Utme Physics Past Questions and Answers

Question 646:

A truck traveling with a velocity of \(40 m / s\) applies the brakes and comes to a halt after 20 seconds. What is distance traveled by the truck before coming to a halt

A. \(40 m\)
B. \(800 m\)
C. \(400 m\)
D. \(10 m\)

Question 647:

Which of these instruments is suitable for making the most accurate measurement of the internal dameter of a test tube?

A. Metre rule
B. Venire callipers
C. Micrometer screw gauge
D. Spectromete

Question 648:

Which of the following instruments would be best suited in studying the stars?

A. Periscope
B. Microscopes
C. Telescopes
D. Spectroscope

Question 649:

A gas which obeys Charles law exactly has a volume of \(283 cm ^{3}\) at \(10^{\circ} C\). What is the volume at \(30^{\circ} C\) ?

A. \(142 cm ^{3} \)
B. \(293 cm ^{3}\)
C. \(303 cm ^{3}\)
D. \(566 cm ^{3}\)

Question 650:

Electrical resistance is a property of an electric conductor that causes electrical energy to be converted to medium is called ____________

A. Mechanical energy
B. Solar energy
C. Heat energy
D. Chemical energy