Physics It is more difficult to walk on ice than on a concrete road because There is more friction between the ice and feer There is very little friction between the ice and feet pressing it Ice is soft when compared to concrete None of these There is more friction between the ice and feer There is very little friction between the ice and feet pressing it Ice is soft when compared to concrete None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Rate at which velocity changes over time? Acceleration Speed Displacement Jerk Acceleration Speed Displacement Jerk ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Spark plug creates electromagnetic disturbances Vehicle pollution affects the performance of the TV components Metal reflects radiowaves Modern vehicles use electroignition system Spark plug creates electromagnetic disturbances Vehicle pollution affects the performance of the TV components Metal reflects radiowaves Modern vehicles use electroignition system ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current decreases with voltage Photo electric emission is not possible Photo current increases with voltage Photo current is constant Photo current decreases with voltage Photo electric emission is not possible Photo current increases with voltage Photo current is constant ANSWER DOWNLOAD EXAMIANS APP
Physics A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct? Both the photons have different energies. The speeds of both the photons in vacuum are different The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The frequency of X-ray photon is higher than the frequency of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP
Physics Waves that are required for long distance wireless communication are Radio waves Ultraviolet rays Microwaves Infrared rays Radio waves Ultraviolet rays Microwaves Infrared rays ANSWER DOWNLOAD EXAMIANS APP
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