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