Jamb Physics 2013 Past Questions and Answers

Question 31:

• JAMB 2013

Total internal reflection will not occur when light travels from

A. Water to air
B. Water into glass
C. Glass to air
D. Glass into water

Question 32:

• JAMB 2013

If the linear magnification of the objective and eyepiece convex lenses of a compound microscope are 4 and 7 respectively. Calculate the angular magnification of the microscope

A. 2
B. 3
C. 11
D. 28

Question 33:

• JAMB 2013

The angle of deviation of light of various colours passing through a triangular prism increases in the order

A. Red → green → blue
B. Green → violet → blue
C. Blue → red → green
D. Blue → green → red

Question 34:

• JAMB 2013

Calculate the force acting on an electron of charge 1.5 x 10^-19C placed in an electric field of intensity 10⁵Vm^-1

A. 1.5x10^-11N
B. 1.5x10^-12N
C. 1.5x10^-13N
D. 1.5x10^-14N

Question 35:

• JAMB 2013

Capacitors are used in the induction coil to

A. Control circuits
B. Prevent distortion of electric fields
C. Prevent electric sparks
D. Dissipate energy