Physics Which of the following parts of the sunlight makes the solar cooker hot ? Red light Ultra violet Infra red Cosmic rays Red light Ultra violet 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 Cosmic rays Gamma rays X-rays Infrared rays Cosmic rays Gamma rays X-rays Infrared rays ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 8500 A° – 9800 A° 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° ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Stratosphere Mesosphere Exosphere Ionosphere Stratosphere Mesosphere Exosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
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