Physics Which of the following parts of the sunlight makes the solar cooker hot ? Cosmic rays Ultra violet Infra red Red light Cosmic rays Ultra violet Infra red Red light ANSWER DOWNLOAD EXAMIANS APP
Physics In the atmosphere ultraviolet rays are absorbed by Nitrogen Helium Ozone Oxygen Nitrogen Helium Ozone Oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics Energy of Ultraviolet rays is great than Cosmic rays Infrared rays X-rays Gamma rays Cosmic rays Infrared rays X-rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 3900 A° – 7600 A° 1300 A°–3000 A° 7800 A° – 8000 A° 8500 A° – 9800 A° 3900 A° – 7600 A° 1300 A°–3000 A° 7800 A° – 8000 A° 8500 A° – 9800 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Ionosphere Mesosphere Exosphere Stratosphere Ionosphere Mesosphere Exosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
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