A filament changes from glowing dull red to glowing white as it becomes hotter. Which statement explains this change?
It emits less radiation and loses its shorter wavelengths.
It emits less radiation and gains more shorter wavelengths.
It emits more radiation and loses its shorter wavelengths.
It emits more radiation and gains more shorter wavelengths.
96 exam-style questions on Edexcel GCSE Physics 5.3 Black body radiation, covering 5.3.1 Emission of radiation and temperature, 5.3.2 Radiation balance and constant temperature, and 5.3.3 The temperature of the Earth. Each one has a worked solution and a mark scheme showing where the marks go.