Physics Eclipses occur due to which optical phenomena? Reflection Diffraction Refraction Rectilinear propagation Reflection Diffraction Refraction Rectilinear propagation ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 3.3 km, 0.30 km 2.2 km, 0.20 km 2.8 km, 0.25 km 1.8 km, 0.15 km 3.3 km, 0.30 km 2.2 km, 0.20 km 2.8 km, 0.25 km 1.8 km, 0.15 km ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Glass pieces Stone chips Glass - wool Steel Glass pieces Stone chips Glass - wool Steel ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of Cobalt glass Flint glass Ordinary glass Pyrex glass Cobalt glass Flint glass Ordinary glass Pyrex glass ANSWER DOWNLOAD EXAMIANS APP
Physics In a ________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation Field Transverse Longitudinal Rolling Field Transverse Longitudinal Rolling ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to The compressed gases inside rushing out suddenly The air outside rushing in to fill the vacuum inside the bulb The chemical reaction between the gases inside the bulb None of these The compressed gases inside rushing out suddenly The air outside rushing in to fill the vacuum inside the bulb The chemical reaction between the gases inside the bulb None of these ANSWER DOWNLOAD EXAMIANS APP