Jamb 2014

Question 1

What is the least possible error encountered when taking measurement with a meter rule?

Answer 1

The same as the accuracy

Question 2

The energy in the nucleus of atoms produce heat which can be used to generate

Answer 2

Kinetic energy

Question 3

What is dew point?

Answer 3

Is the temperature where the water vapor pressure in the air is just enough to saturate it

Question 4

Heat transfer by convection in a liquid is due to the

Answer 4

Expansion of liquid when heated

Question 5

In a compound microscope, the objective and the eye piece focal lengths are
A. At infinity
B. Long
C. Short
D. The same

Answer 5

C

Question 6

When a telescope is in normal use, the final image is at
A. Infinity
B. The focus
C. The radius of curvature
D. The near point

Answer 6

A

Question 7

When a negatively charged rod is brought near the cap of a charged gold leaf electroscope which has positive charges, the leaf

Answer 7

Collapses

Question 8

The maximum power transfer occur in a cell when the external resistance is

A. Twice the internal resistance of the cell
B. The same as the internal resistance of the cell
C. Greater than the internal resistance of the cell
D. Less than the internal resistance of the cell

Answer 8

C

Question 9

Which gas produces a red coloured light in a discharge tube?

A. Mercury
B. Argon
C. Air
D. Neon

Answer 9

D