Physics Which of the following are used for accurately measuring very small time intervals ? Atomic clocks Pulsars Quartz clocks White dwarfs Atomic clocks Pulsars Quartz clocks White dwarfs ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object Both A & B None of these The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object Both A & B None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will Rise Fall First rise and then fall Remain the same Rise Fall First rise and then fall Remain the same ANSWER DOWNLOAD EXAMIANS APP
Physics For Gamma radiation, what stops its penetrating abilities? Lead Steal All of these Concrete Lead Steal All of these Concrete ANSWER DOWNLOAD EXAMIANS APP
Physics The bats can fly in the dark because They generate flashes of light They generate ultrasonic sound waves They have weak legs and are likely to be attacked by predators They can see the objects in darkness They generate flashes of light They generate ultrasonic sound waves They have weak legs and are likely to be attacked by predators They can see the objects in darkness ANSWER DOWNLOAD EXAMIANS APP
Physics Damp clothes are dried in spin dryers by the action of Central forces Non central forces Centripetal forces Centrifugal forces Central forces Non central forces Centripetal forces Centrifugal forces ANSWER DOWNLOAD EXAMIANS APP