Sometimes you can see the 'rainbow' in a thin layer of oil on the ground. Explain why this happens. The rainbow pattern is formed due to thin film interference at the front and back surfaces of the oil. The rainbow pattern is due to the properties of reflection of the oil, which disperse light. The rainbow pattern is due to the water vapor sitting on the oil and acting like the water droplets in the sky. The rainbow pattern is due to refraction between the air and oil. The rainbow pattern is due to the molecular structure of the oil, which absorbs white light and re-emits the rainbow pattern. The rainbow pattern is only visible during hot, humid days. The rainbow pattern is visible only in desert-like conditions.
Ray Optics
Optics is the study of light in the field of physics. It refers to the study and properties of light. Optical phenomena can be classified into three categories: ray optics, wave optics, and quantum optics. Geometrical optics, also known as ray optics, is an optics model that explains light propagation using rays. In an optical device, a ray is a direction along which light energy is transmitted from one point to another. Geometric optics assumes that waves (rays) move in straight lines before they reach a surface. When a ray collides with a surface, it can bounce back (reflect) or bend (refract), but it continues in a straight line. The laws of reflection and refraction are the fundamental laws of geometrical optics. Light is an electromagnetic wave with a wavelength that falls within the visible spectrum.
Converging Lens
Converging lens, also known as a convex lens, is thinner at the upper and lower edges and thicker at the center. The edges are curved outwards. This lens can converge a beam of parallel rays of light that is coming from outside and focus it on a point on the other side of the lens.
Plano-Convex Lens
To understand the topic well we will first break down the name of the topic, ‘Plano Convex lens’ into three separate words and look at them individually.
Lateral Magnification
In very simple terms, the same object can be viewed in enlarged versions of itself, which we call magnification. To rephrase, magnification is the ability to enlarge the image of an object without physically altering its dimensions and structure. This process is mainly done to get an even more detailed view of the object by scaling up the image. A lot of daily life examples for this can be the use of magnifying glasses, projectors, and microscopes in laboratories. This plays a vital role in the fields of research and development and to some extent even our daily lives; our daily activity of magnifying images and texts on our mobile screen for a better look is nothing other than magnification.
Sometimes you can see the 'rainbow' in a thin layer of oil on the ground. Explain why this happens.
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The rainbow pattern is formed due to thin film interference at the front and back surfaces of the oil. |
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The rainbow pattern is due to the properties of reflection of the oil, which disperse light. |
||
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The rainbow pattern is due to the water vapor sitting on the oil and acting like the water droplets in the sky. |
||
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The rainbow pattern is due to refraction between the air and oil. |
||
|
The rainbow pattern is due to the molecular structure of the oil, which absorbs white light and re-emits the rainbow pattern. |
||
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The rainbow pattern is only visible during hot, humid days. |
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|
The rainbow pattern is visible only in desert-like conditions. |
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