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What is a reflector and what is its purpose in in lighting?
A reflector is a, usually large, sheet of reflective material used to reflect light into shadows of a subject. It is usually used where there is strong lighting from one side to even up the light in an image.
2 Draw a detailed diagram of the torch and explain how it works?
A torch typically consists of a power source (batteries), a bulb (usually LED), a reflector, and a switch. When the switch is turned on, electricity flows from the batteries to the bulb, causing it to emit light. The reflector, positioned behind the bulb, directs and intensifies the light beam, allowing it to project further. The entire assembly is housed in a durable casing for protection and portability.
Who is Edelmiro Quibilan?
Edelmiro Quibilan is a Filipino engineer who invented a light reflector assembly ballast (light and heat amplifier) and a smokeless stainless-steel charcoal stove with grill (QB stove).
Explain why the outside cases of electric appliances ususally are made of plastic?
Plastic is a good insulator and a bad conductor of electricity, which makes it a good material to protect people from electric shocks when handling appliances. On top of that, plastics are inexpensive and easy to shape.
What makes a good electrical conductor?
number of electrons capable of freely moving in the outermost shell of an element. eg. Copper
Is silver a good reflector?
simply no
Can an object be both a good absorber and good reflector at the same time why or why not?
No, you can be both good and evil. This is the same concept. The object is either a good absorber or a good reflector, and can not be both. Black is a good absorber, white is a good reflector.
What it is a good reflector of light?
plane mirror
Is the color black a good reflector?
No, black is not a good reflector of light. It absorbs most of the light that hits it rather than reflecting it, which is why it appears dark.
Is leaf a reflector of light?
i think it is a reflector of light as we are able to see a leaf in the presence of light, it means when light bounces back into our eye, we can see it otherwise we would not be able to see it. however it is not a good reflector of light, but a poor reflector of light.
What would be a good antonym for the word projector?
reflector or inflector.
Why are oil tankers painted silver?
good reflector of heat
Is a good emitter of heat also a good reflector of heat?
Not necessarily. An object can be a good emitter of heat without being a good reflector of heat. The ability to emit and reflect heat depends on different properties of the material, such as surface texture and composition.
Is glass a good reflector?
Glass is not a good reflector of light compared to materials like mirrors or metals. While it can reflect some light at its surface, most of the light passes through it, making it a better transmitter than a reflector. The reflection that does occur is typically around 4% for each surface of glass, which is relatively low. Therefore, while glass can reflect light, it is not considered an effective reflector.
What is a good reflector of sound?
A good reflector of sound is a hard and smooth surface, such as concrete, tile, or glass. These surfaces reflect sound waves easily, rather than absorbing them like softer or uneven surfaces.
What is a good reflector of light?
A mirror is a good reflector of light because it has a smooth and highly reflective surface that bounces light rays off at equal angles, resulting in a clear reflection.
Can an object be both a good absorber and good reflector at the same time?
No, an object cannot be a good absorber and a good reflector at the same time. When an object absorbs light well, it does not reflect much of it, and vice versa. The ability of an object to absorb or reflect light depends on its properties and the material it is made of.
