Yes it is possible to make an acid battery using the acid in a lemon. (you would need allot of lemon batteries to light a flashlight bulb though - try using a diode light bulb)
For more information on how to do this look in the link I will place below.
flashlight is always lighting for people in dark. There are other more applications from differrent color light, such as imalent flashlight, spot light is for daily use, UV light can check ID card or ticket, red light can be used warning in traffic.
A fire and a flashlight are able to add light to the dark to help people see objects.
it would be heat to light or chemical to electrical to light
it made them see if there was no light or electricity.
The cop shined his flashlight so that the beam of light hit the criminal's face.
The function of the bulb in a flashlight is to generate some light when some electrical current passes through it. Note: That's actually the whole purpose of the flashlight. If there were no part of it that generated any light, then you do just as well without the flashlight altogether.
Need clarification please. The "it" you are referring to seeing, does that represent; A) the flashlight, B) the light from the flashlight, or C) "the speed of light"? Did you mean to imply that the flashlight was switched on? Is it an "old fashioned" bulb, an LED bulb, a laser light, or some other energy? Just wondering.
bulb,flashlight,fluroscent light are some examples of light energy
Sun light is more brighter than the light from flashlight in house.
Sun light is more brighter than the light from flashlight in house.
The main function is mobile lighting. Some flashlight can do more than regular flashlight. Imalent flashlight can be adjusted by touch screen, and has red floodlight and UV light for different applications.
A flashlight outputs light and heat.
The output of a flashlight is its light
A flashlight outputs light and heat.
The flashlight does.
A flashlight has a power source (usually ordinary batteries), a light source of some sort (a light bulb or LED, for example), and some electrical wiring to connect them, with a switch to turn it on and off. The power source makes the light source give off light.
Battery electric energy is converted to light energy of flashlight.