Less than 1% of the world's commercial energy is supplied by solar energy.
Twenty percent of the worlds energy is supplied by natural gas.
Efficiency is the ratio of the energy converted into useful work by the machine to the energy supplied to the machine. Certainly it will not be possible to convert all the energy supplied into useful work because of wastage of energy due to so many reasons. So efficiency will be always less than 1. As the efficiency becomes more the loss would become less. Hence it is desirable.
Radio waves have less energy than microwaves.
As of 2021, Australia relies on nuclear energy for less than 1% of its electricity generation. The country does not have any commercial nuclear power plants, but it does have a research reactor used for medical and research purposes.
There is less available energy at the top of the food pyramid because energy is lost as heat during each transfer from one trophic level to the next. This loss of energy through respiration, metabolism, and waste production means that only a fraction of the energy from one trophic level is available to support organisms at higher trophic levels.
Nuclear energy.Nucular EnergyNuclear EnergyLess than 1 percent of the worlds commercial energy is supplied by the sun. Solar energy is an under-utilized source of energy.
Less than 1 percent of the world's commercial energy is supplied by geothermal energy. This renewable energy source harnesses heat from the Earth's interior to generate electricity and provide direct heating. Despite its sustainability and low emissions, its contribution remains minimal compared to fossil fuels and other renewable sources like solar and wind.
Twenty percent of the worlds energy is supplied by natural gas.
Light retrofitting can improve energy efficiency in a commercial building by replacing outdated lighting fixtures with energy-efficient LED lights. LED lights consume less energy, produce less heat, and have a longer lifespan compared to traditional lighting options. This can result in reduced energy consumption and lower electricity bills for the building, ultimately leading to improved energy efficiency.
If the energy absorbed by the reactants is less than the activation energy, the chemical reaction cannot proceed. Activation energy is the minimum energy required to break bonds and initiate a reaction. Without sufficient energy, the reactants remain in their original state and do not transform into products. Therefore, the reaction is effectively stalled until enough energy is supplied.
The heat supplied to a system can increase its internal energy if no work is extracted from the system. If any work is done by the system, then the increase in internal energy will be less than the heat supplied to the system. The thermodynamic variable defined by the zeroeth law is Temperature.
quantity supplied is less than quantity demanded
Quantity demanded is less than quantity supplied.
Efficiency is the ratio of the energy converted into useful work by the machine to the energy supplied to the machine. Certainly it will not be possible to convert all the energy supplied into useful work because of wastage of energy due to so many reasons. So efficiency will be always less than 1. As the efficiency becomes more the loss would become less. Hence it is desirable.
It is because we need different amount of energy in different conditions of our body. When we rest we need less energy but when we do hard work we need more energy. Performing hard work is a difficult activity and it needs more energy. Thus, by increasing the breathing rate more energy is supplied to the cells for the production of more energy.
The adoption of LED lighting in commercial buildings has significantly improved energy efficiency by reducing electricity consumption and lowering energy costs. LED lights use less energy than traditional lighting sources, such as incandescent or fluorescent bulbs, while providing the same or better illumination. This has led to decreased energy usage and carbon emissions in commercial buildings, contributing to a more sustainable and environmentally friendly operation.
Quantity demanded is less than quantity supplied.