Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Ultrasonics Audible sounds Infrasonics Megasonics Ultrasonics Audible sounds Infrasonics Megasonics ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo electric emission is not possible Photo current decreases with voltage Photo current increases with voltage Photo current is constant Photo electric emission is not possible Photo current decreases with voltage Photo current increases with voltage Photo current is constant ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to The compressed gases inside rushing out suddenly None of these The chemical reaction between the gases inside the bulb The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly None of these The chemical reaction between the gases inside the bulb The air outside rushing in to fill the vacuum inside the bulb ANSWER DOWNLOAD EXAMIANS APP
Physics Of the following natural phenomena, tell which one known in Sanskrit as 'deer's thirst'? Mirage Halo Rainbow Earthshine Mirage Halo Rainbow Earthshine ANSWER DOWNLOAD EXAMIANS APP
Physics Alcohol is more volatile than water because ________ is lower than water. Its boiling point Its density Its surface tension Its viscosity Its boiling point Its density Its surface tension Its viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of gravitational field of earth is maximum at Centre of earth Equator Poles Surface Centre of earth Equator Poles Surface ANSWER DOWNLOAD EXAMIANS APP
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