When an object is placed between two parallel plane mirrors, an infinite number of images are formed. Each mirror reflects the image from the other mirror, creating a series of reflections that extend to infinity due to repeated reflections between ...
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When two plane mirrors are placed at a 90° angle, an infinite number of images of the candle will be formed. Each mirror reflects the image of the candle from the other mirror, creating a series of reflections that extend ...
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 ...
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 color of light is determined by its wavelength. Different wavelengths of light correspond to different colors in the visible spectrum. Shorter wavelengths appear blue or violet, while longer wavelengths appear red or orange, influencing the perceived color of light.
An air bubble in water behaves like a convex lens. It causes light rays passing through it to converge, forming a virtual image due to refraction. This effect is similar to how a convex lens refracts light to converge at ...
Sunlight that reaches the Earth’s surface consists of parallel beams of light. These rays travel from the Sun to the Earth in nearly parallel lines due to the vast distance between the two bodies, resulting in nearly uniform intensity across ...
The unit of the power of the lens is diopter. It measures the refractive power of a lens, indicating how strongly the lens converges or diverges light. It is defined as the reciprocal of the focal length in meters.
The first law of thermodynamics, also known as the law of energy conservation, protects energy. It states that energy cannot be created or destroyed, only transformed from one form to another.