Which one of the following statements about light passing down an optical glass fibre is NOT true?

A 10 V battery delivers a steady current of 2 A. How long will it be before 1.0 kJ of energy is supplied to the circuit?

Identify the order in which the ancestors of the Caribbean people arrived in the region.

1. Amerindians
2. East Indians
3. Europeans
4. Africans

The decimal equivalent of ⁷/₈ is

Water is lost from the body in:

Hormonal methods of contraception work by:

Decomposers are important in the process of decay because:

Which of the following statements about diffusion is NOT true?

Photosynthesis is important because:

When focussing on distant objects:

Veins have valves because

THE ITEM refers to the following illustration.

The pattern where many persons make the same decision as the young man in the picture is refered to as

The speed of an ink-jet printer is measured by the number of __________ it can print.

How much simple interest is due on a loan of $240 for two years if the annual rate of interest is 4 per cent?

The expansion of (x - 2)² is

You look through a microscope to view the Brownian motion of smoke in a container of air. Which one of the following statements is NOT true?

Which one of the following is NOT a vector quantity?

Eight bits are called a __________.

In coordinate geometry, the equation of the x-axis is

The alloy, brass, contains copper and: