N Type And P Type Semiconductors - Physics Jamb Past Questions and Answers

Question 1 :

• JAMB 2019

If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

A. 84400m
B. 69000m
C. 61440m
D. 24000m

Question 2 :

• JAMB 2002

Pure silicon can be converted to a p-type by adding a controlled amount of

A. Trivalent atoms
B. Tetravalent atoms
C. Pentavalent atoms
D. Hexavalent atoms