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5 days ago · The light emitted from LED has a wavelength (a) 1.3µm (b) 1.2µm (c) 1.4µm (d) 1.5µm x. Doppler effect applies to (a)sound waves (b) light waves (c) both sound and light waves (d) none of these xi. Radar is a device which transmits and receives (a)heat waves (b) electromagnetic (c) radio waves (d) matter waves xii.
4 days ago · 2. Cancer. Another research study conducted in Australia looked for any connection between the incidence of cancer in people living near power lines and transmission towers. The research showed that those who lived within 50 m radius of a power source had 106% of chances to develop cancer as compared to those who lived at least 300 meters away ...
4 days ago · Budget 2024. Gas and electricity bills will fall by an average 7% in England, Scotland and Wales on 1 July. The new energy price cap means the typical annual bill paid by direct debit will fall to ...
3 days ago · Detect the emitted light and measure the intensity of radiation emitted by the flame. That is, the emitted radiation is converted to an electrical signal with the help of photo detector. The produced electrical signals are directly proportional to the intensity of light.
3 days ago · Roger A. Pielke. Lightning, the visible discharge of electricity that occurs when a region of a cloud acquires an excess electrical charge, either positive or negative, sufficient to break down the resistance of air. It can occur within the cloud, between clouds, between the cloud and the air, or between the cloud and the ground.
2 days ago · CO 2 emitted from steel production primarily comes from energy consumption of fossil fuel as well as the use of limestone to purify iron oxides." Plastics. Plastics are produced mainly from fossil fuels. It was estimated that between 3% and 4% of global GHG emissions are associated with plastics' life cycles.
4 days ago · The average residential price per kilowatt hour in Washington County is 16.16 cents. This is roughly 0.89% more than the national average price of 16.02 cents per kilowatt hour. Washington County produces 5.66% of its electricity from renewable fuels, or 0.24 megawatt hours per citizen per year. Electricity production from the use of coal as a ...
