Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Amplitude Frequency Wavelength Speed Amplitude Frequency Wavelength Speed ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Reflection Diffraction Total internal reflection Refraction Reflection Diffraction Total internal reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics A water tank appears shallower when it is viewed from top due to Total internal reflection Reflection Refraction Rectilinear propagation of light Total internal reflection Reflection Refraction Rectilinear propagation of light ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is a good conductor It is malleable It has a very high melting point It is economical It is a good conductor It is malleable It has a very high melting point It is economical ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following criterion is used for any metal to be used as a cooking material ? More thermal conductivity Less thermal conductivity Less electrical conductivity More specific heat More thermal conductivity Less thermal conductivity Less electrical conductivity More specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics If velocity is constant then acceleration is what? Increasing Infinite Zero Constant Increasing Infinite Zero Constant ANSWER DOWNLOAD EXAMIANS APP
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