Physics Waec Answers 2024

(2a)

(i)Monitoring and studying Earth’s weather and climate by capturing continuous images and data of Earth’s surface and atmosphere.

(ii)Facilitating global communications, especially in high-latitude regions that are difficult to reach with geostationary satellites.

(2b)

The slope of a graph of tensile stress against tensile strain represents the Young’s modulus of the material. This modulus is a measure of the stiffness of the material and is defined as the ratio of tensile stress to tensile strain in the linear portion of the stress-strain curve.