Physics If a band is played on the moon the sound will Not be heard at any distance at all from it Be heard by us faintly Be heard upto 10km from it Reverberate Not be heard at any distance at all from it Be heard by us faintly Be heard upto 10km from it Reverberate ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 1 T 8 T 4 T 2 T 1 T 8 T 4 T 2 T ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on a sandy road than on a concrete road because the sand is grainy but concrete is smooth. sand is soft and concreter is hard. the friction between sand and feet is less than that between concrete and feet. the friction between sand and feet is more than that between concrete and feet. the sand is grainy but concrete is smooth. sand is soft and concreter is hard. the friction between sand and feet is less than that between concrete and feet. the friction between sand and feet is more than that between concrete and feet. ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Reflection by hot ground Total internal reflection by layers of air Diffraction of light Interference of light Reflection by hot ground Total internal reflection by layers of air Diffraction of light Interference of light ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Cannot be determined Ve > Vp Ve = Vp Ve < Vp Cannot be determined Ve > Vp Ve = Vp Ve < Vp ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves do not show the phenomenon of Interference Polarisation Refraction Diffraction Interference Polarisation Refraction Diffraction ANSWER DOWNLOAD EXAMIANS APP