Diamonds, steel, and rocks are hard objects.
The name given to objects that do not cast a shadow in the presence of light is called translucent. Translucent objects allow light to pass through them, making them appear to have no shadow.
The study of why objects move is dynamics, whereas the study of how objects move is kinematics.
Objects that emit UV light include the sun, black lights, and certain types of artificial light sources such as UV lamps and LEDs. UV light is a type of electromagnetic radiation that is not visible to the human eye but can cause fluorescence in certain materials.
The wavelength of light emitted by LEDs typically ranges from about 400 to 700 nanometers, depending on the material used in the LED. Different colors of LEDs are produced by varying the chemical composition of the semiconductor material.
If your compairing apples to apples like 3 watt leds to 3w leds then 128. The more leds the higher the power.
It depend on what the rating voltage of the LEDs are.
Leds can be helpful when seeing if an object is on or off or has a signals. They can also be used for decoration on some objects.
Yes, LEDs are dimmable.
Basically, when LEDs are connected in parallel, the LEDs with the lowest resistance will be the brightest, the other LEDs will be dimly lit or not lit at all. Therefore, use LEDs with the same model number and colour.
Solid figures are normally classed as 3 dimensional objects
No.
red, green, yellow, blue leds
SemiLEDS Corporation (LEDS) had its IPO in 2010.
Most modern torches have LEDs in them, several newer models of Audis do too.
Resistors don't light up LEDs. They're required in a circuit along with LEDs in order to prevent excessive current through the LEDs when the LEDs are forward biased. The correct resistance value depends on the supply voltage and the desired (rated) current through the LEDs, and there's typically one resistor in series with each LED.
The difference is that LEDs use less electricity.