If a person stands between two plane mirrors inclined at a 60° angle, they will see five images of themselves. This occurs because each mirror reflects the person’s image from the other mirror, resulting in multiple reflections and images due ...
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A converging lens is one that collects rays of light. It is thicker at the center than at the edges, causing parallel rays of light passing through it to converge at a focal point beyond the lens, where a real ...
A diverging lens is one that spreads rays of light. It is thinner at the center than at the edges, causing parallel rays of light passing through it to diverge away from a focal point, where the virtual image is ...
The sea appears blue primarily due to the scattering of sunlight by water molecules and particles suspended in the water. This scattering selectively absorbs and reflects light wavelengths, predominantly scattering shorter blue wavelengths, which gives the sea its characteristic blue ...
Red light is used for danger signals because it is less scattered compared to other colors. This characteristic allows red light to travel longer distances without dispersing, ensuring that warning signals remain clearly visible even in conditions where visibility may ...