Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Speed Wavelength Frequency Amplitude Speed Wavelength Frequency Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole No change First increases and than decreases Decreases Increases No change First increases and than decreases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Loudness of sound depends on Pitch Frequency Amplitude Wavelength Pitch Frequency Amplitude Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics In a filament type light bulb most of the electric power consumed appears as Infra-red rays Ultra-violet rays Visible light Fluorescent light Infra-red rays Ultra-violet rays Visible light Fluorescent light ANSWER DOWNLOAD EXAMIANS APP
Physics Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation? Polarization Scattering Diffraction Interference Polarization Scattering Diffraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Geothermal energy Solar energy Tidal energy Wind energy Geothermal energy Solar energy Tidal energy Wind energy ANSWER DOWNLOAD EXAMIANS APP