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By definition, light travels at the speed of light. About 300,000 kps

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IF a bulb travels at the speed of light and is turned on will it glow?

Light cannot travel faster than the speed of light, so a bulb traveling at the speed of light is not possible in the laws of physics as we know them. If it were somehow possible, the bulb may emit light, but we cannot definitively predict what would happen under such extreme conditions.


Does a coloured light bulb actually produce light of the same colour spectrum?

There are two types of colored bulbs. Some are just regular light bulbs with a semi-transparent color coating. A blue light bulb, for instance, will transmit blue light, absorbing out red. It will transmit smaller amounts of different colored light, but to your eye the light coming from the bulb is blue.Others actually emit light a a certain color, such as a yellow street light which is a sodium-vapor lamp. Overall the color you see is the color that is being emitted or transmitted.


Why does a light bulb light up immediately after you turn on a switch even if the switch was a long way from the bulb?

When you flip the switch, it completes the electrical circuit and allows current to flow instantly through the wires to reach the light bulb, causing it to light up. The speed of electricity traveling through wires is almost instantaneous, so the light bulb lights up immediately after the switch is turned on, regardless of the distance from the switch to the bulb.


You see light as soon as a light bulb is switched on?

When a light bulb is switched on, electricity flows through the filament, causing it to heat up and emit light. The light becomes visible as it emits photons that travel at the speed of light, reaching our eyes almost instantly. This gives the immediate perception of light.


Can a bulb light if electricity doesn't get to the bulb?

No, a light bulb will not light up if electricity does not reach it. Electricity is required to flow through the filament in the bulb to generate light. If there is no electrical current, the bulb will not illuminate.

Related Questions

How many Arsenal supporters does it take to screw in a light bulb?

It takes 4. One to screw in the light bulb, and 3 to talk about how good the old bulb was.


How many days the light bulb lasted?

Takes 300 hours for the average light bulb to burn out


IF a bulb travels at the speed of light and is turned on will it glow?

Light cannot travel faster than the speed of light, so a bulb traveling at the speed of light is not possible in the laws of physics as we know them. If it were somehow possible, the bulb may emit light, but we cannot definitively predict what would happen under such extreme conditions.


How long does it take to change a light bulb?

i think it takes about 10 seconds if you already have the light bulb in your hand.


Does a coloured light bulb actually produce light of the same colour spectrum?

There are two types of colored bulbs. Some are just regular light bulbs with a semi-transparent color coating. A blue light bulb, for instance, will transmit blue light, absorbing out red. It will transmit smaller amounts of different colored light, but to your eye the light coming from the bulb is blue.Others actually emit light a a certain color, such as a yellow street light which is a sodium-vapor lamp. Overall the color you see is the color that is being emitted or transmitted.


how many days the bulb lasted?

Takes 300 hours for the average light bulb to burn out


What energy takes place in a light bulb?

Electrical energy becomes heat and light.


Takes 6 Boxervillians to change a light bulb and there are 84 Boxervillians at a light bulb-changing party How many light bulbs can they change?

14. Apex. :)


What is the license plate light bulb needed for a 2001 Chev Silverado?

It takes a # 194 mini bulb.


How do you replace the light bulb in your dash that tells the speed?

remove the gage cluster the bulb is on the back of the cluster


Is a light bulb input output or process?

A light bulb is an output device because it produces light when electricity is applied to it. It takes the input of electrical energy and converts it into light energy.


If someone takes a aluminum can and attach a light bulb to it will it light up?

No, there needs to be an electrical source