Physics Which of the following waves cannot be polarised? Infrared Ultra violet Ultrasonic Radio Infrared Ultra violet Ultrasonic Radio ANSWER DOWNLOAD EXAMIANS APP
Physics Absolute Zero is defined as At which liquid Helium boils The temperature at which all molecular motion ceases At which the volume becomes zero At which water boils at 298K At which liquid Helium boils The temperature at which all molecular motion ceases At which the volume becomes zero At which water boils at 298K ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to surface tension The density of needle is less than that of water Due to its shape It will remain under the water, when it will displace more water than its weight Due to surface tension The density of needle is less than that of water Due to its shape It will remain under the water, when it will displace more water than its weight ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? They must have the same density They must have the same volume They must have the same mass They must be dropped in vacuum They must have the same density They must have the same volume They must have the same mass They must be dropped in vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Zero gravity Acceleration None of these Inertia Zero gravity Acceleration None of these Inertia ANSWER DOWNLOAD EXAMIANS APP
Physics Loudness of sound depends on Pitch Amplitude Wavelength Frequency Pitch Amplitude Wavelength Frequency ANSWER DOWNLOAD EXAMIANS APP