Properties of waves - OCR Gateway Reflection, refraction, and sound waves - OCR Gateway Properties, uses and hazards of electromagnetic waves - OCR Gateway Light - OCR Gateway Sample exam questions - ...
Light is refracted when it enters a material like water or glass. Depending on the density of the material, light will reduce in speed as it travels through, causing it to change direction. Ray ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果