Physics The speed of sound in air depends on Wavelength Frequency None of these Temperature Wavelength Frequency None of these Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The basic reason for the extraordinary sparkle of suitably cut diamond is that It has well defined cleavage planes It has a very high refractive index It is very hard It has a very high transparency It has well defined cleavage planes It has a very high refractive index It is very hard It has a very high transparency ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted In a straight line path Due to total internal reflection Due to refraction In a curved path In a straight line path Due to total internal reflection Due to refraction In a curved path ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Total internal reflection Diffraction Reflection Refraction Total internal reflection Diffraction Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of a conductor is inversely proportional to its: Length Resistivity Area of cross section Temperature Length Resistivity Area of cross section Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics In a vacuum, all electromagnetic waves have the same Wavelenth All listed here Velocity Frequency Wavelenth All listed here Velocity Frequency ANSWER DOWNLOAD EXAMIANS APP
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