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