Some energy is changed to heat and lost. The main energy is still be converted to light beam.
When a flashlight is turned on, electrical energy is converted into light energy and heat energy. The electrical energy powers the bulb to produce light, while some electricity is lost as heat.
When a flashlight is turned on, chemical energy stored in the batteries is converted to electrical energy. The electrical energy then powers the light bulb or LED, which converts the electrical energy into light energy. Some energy is also lost as heat in the process.
give out energy
In a flashlight, electrical energy from the batteries is converted to light energy through a tungsten filament in the bulb, where some of the electrical energy is also lost as heat energy. The light energy provides illumination.
A flashlight transforms electrical energy into light energy and some heat energy. When the battery powers the flashlight, the electrical energy is converted into light energy when the bulb or LED emits light, while some of the energy is also lost as heat.
In an isolated system, according to the law of conservation of energy, energy lost is equal to energy gained. This means that the total energy of the system remains constant and is simply transferred between different forms.
A flashlight converts electrical energy from the battery into light energy (radiant energy) through a light bulb or LED. Some energy is lost to heat due to resistance in the electrical circuit and inefficiencies in the light-generating process.
90 % is lost.
When you turn on a flashlight, electrical energy from the battery is converted into light energy and thermal energy. The electrical energy powers the bulb, causing it to emit light, while some of the energy is also lost in the form of heat.
In flashlight, light energy that is not being used effectively is being released in the form of heat. This is due to inefficiencies in the conversion of electrical energy to light energy, resulting in some of the energy being lost as heat.
You think to quanta.
it depends on conversion. wind to wind energy. Sun to solar Energy. and water to hydro have no loss only gained but on other hand electric to heat energy like also some heat will be lost. in nuclear energy some energy also lost during conversion.