Jamb Physics 2017 Past Questions and Answers

Question 41:

• JAMB 2017

The action of blotting paper on ink is due to

A. Diffusion
B. Osmosis
C. Capillarity
D. Surface tension

Question 42:

• JAMB 2017

When two mirrors are placed at an angle of 900 to each other, how many images will be formed when an object is placed in front of the mirrors

A. 5
B. 4
C. 3
D. 2

Question 43:

• JAMB 2017

If silicon is doped with phosphorus, what type of semiconductor material will be formed?

A. Zener material
B. P-n junction
C. N-type
D. P-type

Question 44:

• JAMB 2017

Calculate the angle of minimum deviation of a 60o prism of a refractive index 1.5 [sin-10.75 = 49o]

A. 38.00^o
B. 19.47^o
C. 16.25^o
D. 49^o

Question 45:

• JAMB 2017

What is the cost of running seven 40 W lamps and five 80 W la mps for 12 hours of the electrical energy cost N7.00kWk?

A. N80.00
B. N45.36
C. N65.00
D. N57.12