Jamb Physics 2000 Past Questions and Answers

Question 41:

• JAMB 2000

A transverse wave is applied to a string whose mass per unit length is 3 x 10^-2kgm^-1. If the string is under a tension 12N, the speed of the propagation of the wave is

A. 5 ms^-1
B. 20 ms^-1
C. 30 ms^-1
D. 40 ms^-1

Question 42:

• JAMB 2000

An engineer intends to deviate a light ray from its path by 120^o through reflection from a plane mirror. Calculate the angle of incidence

A. 60^o
B. 40^o
C. 30^o
D. 20^o

Question 43:

• JAMB 2000

The diagram above shows a maximum and minimum thermometer divided into three portions P, Q and R. Which of the following is true about the respective content of P,Q and R

A. Alcohol, mercury and alcohol
B. Air, alcohol and mercury
C. Mercury, alcohol and mercury
D. Air, mercury and alcohol

Question 44:

• JAMB 2000

The diagram above shows two capacitors P and Q of capacitance 5μF and 10μF. Find the charges stored in P and Q respectively

A. 2μC and 4μC
B. 4μC and 2μC
C. 100μC and 200μC
D. 200μC and 100μC

Question 45:

• JAMB 2000

In the diagram above a beam of white light travels from a rare to a dense medium. What colours of light do the rays a, b and c respectively represents?

A. Red, green and blue
B. Green, red and blue
C. Yellow , blue and red
D. Blue , yellow and red