Physics Which best describes how air moves during convection? Cool air falls down Warm air falls down Air always falls down Cool air is replaced by warm air Cool air falls down Warm air falls down Air always falls down Cool air is replaced by warm air ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current increases with voltage Photo electric emission is not possible Photo current is constant Photo current decreases with voltage Photo current increases with voltage Photo electric emission is not possible Photo current is constant Photo current decreases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 20 minutes You cannot hear the sound of explosion 3.7 hours 2 hours 20 minutes 20 minutes You cannot hear the sound of explosion 3.7 hours 2 hours 20 minutes ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 30 m 300 m 0.3 m 3 m 30 m 300 m 0.3 m 3 m ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following terms is not used in the field of physics? Nuclear fusion Stock value Latent heat Refractive index Nuclear fusion Stock value Latent heat Refractive index ANSWER DOWNLOAD EXAMIANS APP
Physics Rate at which velocity changes over time? Jerk Acceleration Displacement Speed Jerk Acceleration Displacement Speed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS