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 Ozone Nitrogen Oxygen Helium Ozone Nitrogen Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Physics Energy of Ultraviolet rays is great than Gamma rays Infrared rays X-rays Cosmic rays Gamma rays Infrared rays X-rays Cosmic rays ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 3900 A° – 7600 A° 1300 A°–3000 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 1300 A°–3000 A° 8500 A° – 9800 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 ? Ionosphere Mesosphere Stratosphere Exosphere Ionosphere Mesosphere Stratosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS