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If two polaroid filters are held with their polarization axes at right angles to each other the amount of light transmitted compared to when their axes are parallel is?
When two polaroid filters are held with their polarization axes at right angles to each other, no light is transmitted as the filters block all light waves aligned with their polarization axes. When their axes are parallel, the maximum amount of light is transmitted because all light waves can pass through without being blocked.
How can sunlight be polarized?
Sunlight can become polarized when it interacts with the Earth's atmosphere, such as through scattering or reflection off surfaces. This causes the light waves to align in a specific orientation, creating polarization. Specialized filters, like polarized sunglasses, can then block out this polarized light to reduce glare.
Light reflected from water is strongly polarized in the horizontal direction How would you design sunglasses for a ship pilot who needs to see objects on the water surface?
To reduce glare from horizontally polarized light reflected off water, sunglasses with vertical polarization filters can be used. These filters will block the horizontally polarized light waves, allowing the ship pilot to see objects on the water surface more clearly without the glare. It's important to ensure that the sunglasses provide UV protection as well for overall eye safety.
What light waves passes through polarize filters?
Light waves that are oriented parallel to the polarizing axis of the filter are able to pass through polarized filters, while light waves that are perpendicular to the axis are blocked. This property is what allows polarized lenses to selectively reduce glare from surfaces such as water or glass.
What is a cross polarizer?
To begin, the correct term is "crossed" polarizer, not cross. The way that a crossed polarizer works is that it contains two polarizers, the first selects a plane of polarized light from an unpolarized light source (containing many oscillations, or planes). The second polarizer than absorbs that plane of polarized light that made it past the first, as it selects a plane of polarized light that is not the one let through the first.
Which phenomenon causes polarization of light?
Polarization of light is caused by the alignment of light waves in a specific direction due to interaction with certain materials or passing through certain filters. This alignment restricts the vibration of light waves to a single plane, resulting in polarized light.
What quality of light has all waves vibrate in same direction?
Polarized light has all its electromagnetic waves vibrate in the same direction. This results in the light waves oscillating in a specific orientation, which can block certain orientations from passing through filters that selectively allow light waves aligned in a particular direction to pass.
Light waves that vibrate in only one plane are called what?
Light waves that vibrate in only one plane are called polarized light. This means that the electric field of the light wave oscillates in a single direction. Polarized light can be achieved through polarization filters or by reflecting light off certain surfaces.
How do polarized filters work to reduce glare and improve image clarity in photography?
Polarized filters work by blocking certain light waves that cause glare and reflections. This helps to reduce glare and improve image clarity in photography by allowing only specific light waves to pass through the filter, resulting in a clearer and more vibrant image.
In way is light reflected from a lake surface polarized?
Light reflected from a lake surface can become polarized when the light interacts with the water and air molecules at a specific angle, causing the reflected light waves to vibrate in one plane. This alignment of the light waves creates a polarized reflection, which can be reduced or eliminated using polarizing filters.
How would you design sunglasses for a ship pilot who needs to see objections on the water surface?
use filters that transmit only vertically polarized light
What is capacitor polarized?
A polarized capacitor is one which has a polarity, positive on one terminal, negative on the other. This makes it superficially look like a battery. In use, the capacitor has its positive voltage always higher than that on the negative terminal, it matters that this is the case and this gives rise to the term polarized. This sort of capacitor is commonly found in power supply filters.
