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