Physics Rolling friction is caused by ________ Power dissipation Buoyancy Non-elastic effects Gravity Power dissipation Buoyancy Non-elastic effects Gravity ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of 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 Reflection by hot ground ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in electric heater is Tungsten Brass Nichrome Steel Tungsten Brass Nichrome Steel ANSWER DOWNLOAD EXAMIANS APP
Physics Dioptre is the unit of Sound intensity Power of a lens Focal length of a lens Light intensity Sound intensity Power of a lens Focal length of a lens Light intensity ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? It has only one electron It is highly electropositive It is very small in size Its energy levels are very close to each other It has only one electron It is highly electropositive It is very small in size Its energy levels are very close to each other ANSWER DOWNLOAD EXAMIANS APP
Physics When does land breeze occur? Winter Both A & B Fall Hot summer Winter Both A & B Fall Hot summer ANSWER DOWNLOAD EXAMIANS APP