Question 4616:

• NECO 2009

Which of the following statements about the pressure in a liquid is NOT correct? It ____________

A. Acts in all direction
B. Changes with the material of the container
C. Is the same at all points in the same horizontal plane
D. Varies with the density of the liquid
E. Varies with the depth of the liquid

Question 4617:

• NECO 2009

In which of the following fields is repulsion NOT experienced?

A. Electrical only
B. Gravitational only
C. Magnetic only
D. Magnetic and electrical
E. Magnetic and gravitational

Question 4618:

• NECO 2009

A ball of mass 100g falls from a height of 5m onto a concrete floor and rebounds to a height of 3m. Calculate the energy lost. (g = 10ms^-2)

A. 2J
B. 20J
C. 100J
D. 1000J
E. 2000J

Question 4619:

• NECO 2009

Two forces of magnitude 8N and 4N act at right angle to each other. The angle between the resultant and the 8N force is ____________

A. 23.9°
B. 26.6°
C. 29.5°
D. 60.0°
E. 63.4°

Question 4620:

• NECO 2009

The defect of the eye lens which occurs as a result of weak ciliary muscles is called ____________

A. Astigmatism
B. Hypermetropia
C. Myopia
D. Presbyopia
E. Spherical aberration