Physics An electron microscope gives higher magnification than an optical microscope, because : The velocity of electron is smaller than that of visible light It uses more powerful lenses The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light The velocity of electron is smaller than that of visible light It uses more powerful lenses The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Radio activity is due to Stable nucleus Unstable nucleus Stable electronic configu-ration Stable electronic configu-ration Stable nucleus Unstable nucleus Stable electronic configu-ration Stable electronic configu-ration ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of mirror is used in the head lights of vehicles ? Convex mirror Plane mirror Concave mirror Parabolic mirror Convex mirror Plane mirror Concave mirror Parabolic mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Materials for rain-proof coats and tents owe their water-proof properties to elasticity surface tension viscosity specific gravity elasticity surface tension viscosity specific gravity ANSWER DOWNLOAD EXAMIANS APP
Physics If an object is thrown upwards, what will be its velocity, when it reaches its maximum height? 4.9 m/s 0 m/s 20 m/s 14.7 m/s 4.9 m/s 0 m/s 20 m/s 14.7 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics The number of waves per second in a sound is called ________ of that sound. Acceleration Displacement Velocity Frequency Acceleration Displacement Velocity Frequency ANSWER DOWNLOAD EXAMIANS APP