Physics Which of the following parts of the sunlight makes the solar cooker hot ? Infra red Ultra violet Cosmic rays Red light Infra red Ultra violet Cosmic rays Red light ANSWER DOWNLOAD EXAMIANS APP
Physics In the atmosphere ultraviolet rays are absorbed by Helium Nitrogen Ozone Oxygen Helium Nitrogen Ozone 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 ? 3900 A° – 7600 A° 7800 A° – 8000 A° 8500 A° – 9800 A° 1300 A°–3000 A° 3900 A° – 7600 A° 7800 A° – 8000 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 ? Ionosphere Stratosphere Mesosphere Exosphere Ionosphere Stratosphere Mesosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
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