Physics Which is a correct way to measure wavelength? None of these Nearest trough to peak Nearest peak to peak Nearest peak to nearest trough None of these Nearest trough to peak Nearest peak to peak Nearest peak to nearest trough ANSWER DOWNLOAD EXAMIANS APP
Physics During the motion of a projectile fired from the earth surface, ________ Its momentum remains constant Vertical component of its velocity remains constant Its kinetic energy remains constant Horizontal component of its velocity remains constant Its momentum remains constant Vertical component of its velocity remains constant Its kinetic energy remains constant Horizontal component of its velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric layer reflecting radio waves is called Stratosphere Ozonosphere Mesosphere Ionosphere Stratosphere Ozonosphere Mesosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fiber works on the principle of Scattering Refraction Total internal reflection Interference Scattering Refraction Total internal reflection Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following is false about displacement? Displacement is never greater than Distance It can be positive, negative or zero It is always positive Its SI unit is meter Displacement is never greater than Distance It can be positive, negative or zero It is always positive Its SI unit is meter ANSWER DOWNLOAD EXAMIANS APP