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