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How is light energy transferred into an object and converted into thermal energy?
Light energy is transferred into an object when photons from the light source are absorbed by the object's surface. The absorbed photons increase the kinetic energy of the object's molecules, causing them to vibrate and generate heat, which is thermal energy.
How is light from a hot source different to light from a cool source?
When hear energy is converted to loght energy it is called hot source of light (sun light). when light source is produced from (generally reflected light, moon light) a cooler object.
What object gives out its own light?
The sun is an object that gives out its own light through a process of nuclear fusion in its core. This light is what provides energy and warmth to Earth.
How does an object give of light?
If an object gives off light, it is a luminous object.The luminous object gives off its energy and we see it. If you shine light on an object, it is an illuminated object, it just reflects the light back into your eyes.
Is a light bulb luminous ojbect or an illuminated object?
A light bulb is a luminous object because it produces its own light through the process of converting electrical energy into light energy. An illuminated object is one that reflects light from another source.
What is the energy pathway for a phosphorescent light source?
Phosphorescent light sources convert electrical energy into light energy through a process called phosphorescence. When the phosphor material in the light source absorbs energy from an external source, such as electricity, it temporarily stores this energy and then releases it as light over an extended period of time. This delayed emission of light is what gives phosphorescent materials their characteristic glow after the initial energy source is removed.
What makes the sun a nuclear light source?
The sun is a nuclear light source because you can see light, right? The sun gives out light energy so you can see in the daylight.
Is a filament a source of energy?
It is when it is heated by electric power, when it gives off heat and light.
What is the size of the shadow and the distance of the object from the light source when a shadow is formed?
If you are using a point light source, the shadow's size is the object's size divided by the distance from the light source to the object multiplied by the distance from the light source to the shadow.
Is a source of light energy?
A fire is a source of light energy.
How are shadows made?
Shadows are made when an object blocks light from a source, creating a darker area behind the object. Light travels in straight lines, and when an object interrupts the path of light, a shadow is formed on the surface where the light cannot reach. The position and size of the shadow depend on the angle and intensity of the light source in relation to the object.
What is formed when an object blocks the light source?
A shadow is formed when an object blocks the light source, preventing light from reaching a surface. The shadow appears on the surface opposite the light source and is a silhouette of the object blocking the light.
