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