A student writes four statements about the Solar System. 1 Light takes approximately 3.0 × 10⁸ seconds to travel from the Sun to the Earth. 2 The Earth takes approximately 24 hours to rotate on its axis once. 3 The Moon takes approximately 1 month to orbit the Earth. 4 The Sun takes approximately 365 days to orbit the Earth. Which statements are correct?

The speed-time graph shows the movement of a car. What does the shaded area of the graph represent?

A skydiver falls from rest through the air and reaches terminal velocity. What is the acceleration of the skydiver du…

A car accelerates from traffic lights for 10 s. It stays at a steady speed for 20 s and then brakes to a stop in 3s. …

The diagram shows a thin converging lens of focal length f. Where must an object be placed to produce a real image in…

Which wave property has the same value for all X-rays travelling in air?

Which range is the approximate range of audible frequencies for a human?