Physics Who is the first person to define speed Galileo Newton Kepler Ptolemy Galileo Newton Kepler Ptolemy ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : With the speed of light In all directions Heating the medium through which it passes In a straight line With the speed of light In all directions Heating the medium through which it passes In a straight line ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Moon Earth Venus Saturn Moon Earth Venus Saturn ANSWER DOWNLOAD EXAMIANS APP
Physics What is unit of Astronomical distance ? Light year Weber Angstrom Lux Light year Weber Angstrom Lux ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Beats Resonance Echo Doppler effect Beats Resonance Echo Doppler effect ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS