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A visible object that is not a light source is any other object in the universe. Objects that are not light sources reflect light and are thus made to be visible.
Examples include:
- planets
- people
- the moon
- cars
- dogs
- flowers
- books
- rocks, either in daylight, or else illuminated by a flashlight
- a light bulb or LED with the power switched off
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What happens to visible light when it strikes an object?
When visible light strikes an object, it can be absorbed, transmitted, or reflected. The color of the object is determined by which wavelengths of visible light are reflected back to our eyes. Objects that appear white reflect most of the visible light, while objects that appear black absorb most of the visible light.
Is Jupiter a source of light?
No, Jupiter is not a source of light. It reflects light from the Sun, making it visible from Earth.
How does visible light interact with an object?
Visible light interacts with an object by either being absorbed, transmitted, or reflected. The color of the object is determined by the wavelengths of light that are reflected off its surface. When light is absorbed, it can cause the object to heat up. Transmitted light passes through the object without being absorbed or reflected.
What are two sources of visible light waves?
A primary light source is one that actually produces light, such as a light bulb or the sun. A secondary light source in one that ONLY reflects the light produced by a primary light source. It doesn't produce light itself, such as a mirror or the moon.
What is a lumen?
A lumen is a unit used to measure the total amount of visible light emitted by a source, like a light bulb or flashlight. It indicates how bright the light appears to the human eye. The higher the lumen value, the brighter the light.
What is visible to a person only because light from another source reflects off of it?
Any object which is not luminous.
What happens to visible light when it strikes an object?
When visible light strikes an object, it can be absorbed, transmitted, or reflected. The color of the object is determined by which wavelengths of visible light are reflected back to our eyes. Objects that appear white reflect most of the visible light, while objects that appear black absorb most of the visible light.
When are objects visible to us?
Objects are visible to us when light from the object enters our eyes and is detected by our retinas. This light stimulates nerve impulses that are sent to the brain, where they are processed and interpreted as images. The visibility of an object also depends on factors such as its size, distance, color, and the amount of available light.
What means to gives out light?
To give out light means to emit photons or electromagnetic radiation in the visible spectrum, making an object or source visible to the human eye. Light can be produced naturally (such as sunlight) or artificially (such as light bulbs or LEDs).
What term describes an object that are visible because of reflected light?
An object that is visible because of reflected light is called "luminous" or "reflective."
What is the size of the shadow and the distance of the object from the light source when a shadow is formed?
The size of the shadow depends on the size of the object and the distance between the object and the light source. The bigger the object or the closer it is to the light source, the larger the shadow will be. The distance between the object and the light source affects the sharpness and intensity of the shadow.
What is an object that reflects light called?
A visible object.
What describes the visible color of an object?
The light the object reflects.
An object that gives out light is it a light source or it is a light energy?
It is a light source.
Why is shadow not seen in a dark room?
In a completely dark room, there is no light to create shadows. Shadows are formed when an object blocks light from a source, so in the absence of light, there are no shadows visible.
What is visible to a person only because light from another source reflects it lightning or flashlight or cloud or sun?
An object is visible to a person only when light from another source reflects off of it. This light can come from artificial sources like lightning or flashlights, or natural sources like the sun or reflected light from the clouds.
Is Jupiter a source of light?
No, Jupiter is not a source of light. It reflects light from the Sun, making it visible from Earth.
