Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 5 cm 20 cm 10 cm 15 cm 5 cm 20 cm 10 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
Physics What should a person on a freely rotating turn table do to decrease his (angular) speed ? Sit down with raised hands Raise his hands up Bring his hands together Spread his hands outwards Sit down with raised hands Raise his hands up Bring his hands together Spread his hands outwards ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Orange Green Yellow Blue Orange Green Yellow Blue ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct? It is narrow band of high-velocity wind. In summer, the polar front jet achieves its maximum force. It follows the wave path near the tropopause at elevations of 8 km to 15 km. Jet streams are typically continuous over long distances. It is narrow band of high-velocity wind. In summer, the polar front jet achieves its maximum force. It follows the wave path near the tropopause at elevations of 8 km to 15 km. Jet streams are typically continuous over long distances. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the second largest source of global energy? None of these Renewable Energy Nuclear Energy Fossil fuel None of these Renewable Energy Nuclear Energy Fossil fuel ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following ray has minimum wavelength Cosmic ray Utraviolet ray Gamma ray X-rays Cosmic ray Utraviolet ray Gamma ray X-rays ANSWER DOWNLOAD EXAMIANS APP