Jamb Physics 2010 Past Questions and Answers

Question 81:

• JAMB 2010

In Faradays law of electrolysis, a graph of the mass deposited against the quantity of electricity is plotted. The slope of the graph gives

A. The energy released
B. The electrochemical equivalent
C. The current flowing
D. The charge released

Question 82:

• JAMB 2010

Rationalize \( \frac{2\sqrt{3}} + \sqrt{5} \sqrt{5} - \sqrt{3} \)

A. 3√15 - 11
B. \(\frac{3\sqrt {15} - 11}{2}\)
C. 3√15 + 11
D. \(\frac{3\sqrt {15} + 11}{2}\)

Question 83:

• JAMB 2010

An object is weighted at different locations on the earth. What will be the right observation?

A. Both the mass and weight are constant
B. Both the mass and weight vary
C. The mass is constant while the weight varies
D. The weight is constant while the mass varies