Physics The wave like properties of electrons are useful in Weather reports Magnifying objects Lasers All of these Weather reports Magnifying objects Lasers All of these ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted In a straight line path Due to refraction In a curved path Due to total internal reflection In a straight line path Due to refraction In a curved path Due to total internal reflection 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? 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 3.3 km, 0.30 km 2.2 km, 0.20 km 2.8 km, 0.25 km ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Refraction Diffraction Propagation No option is correct Refraction Diffraction Propagation No option is correct ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid Electron volt /cm2 Newton /m2 None of these Joule/ mm Electron volt /cm2 Newton /m2 None of these Joule/ mm ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour of light shows maximum deviation when passed through a prism ? White Red Green Violet White Red Green Violet ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS