Physics Fibre optics work on the principle of Total internal reflection Scattering of light Optical rotation Total internal absorption Total internal reflection Scattering of light Optical rotation Total internal absorption ANSWER DOWNLOAD EXAMIANS APP
Physics The bending of light when it passes around a corner or a slit is due to ________ Diffraction Reflection Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? It is very small in size It is highly electropositive It has only one electron Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron Its energy levels are very close to each other ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following have the same unit ? Torque and angular momentum Work and power Work and torque Torque and moment of inertia Torque and angular momentum Work and power Work and torque Torque and moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Physics Water boils at a lower temperature on the hills because There is less oxygen There is a decrease in air pressure on the hills It is cold on the hills There is less carbon dioxide on the hills There is less oxygen There is a decrease in air pressure on the hills It is cold on the hills There is less carbon dioxide on the hills ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ No option is correct Refraction Propagation Diffraction No option is correct Refraction Propagation Diffraction ANSWER DOWNLOAD EXAMIANS APP