Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Echo Resonance Beats Doppler effect Echo Resonance Beats Doppler effect ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Dead centre Centre of mass Centre of gravity Centre of motion Dead centre Centre of mass Centre of gravity Centre of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Formation of shadows can be explained by Refraction Total internal reflection Rectilinear propagation of light Reflection Refraction Total internal reflection Rectilinear propagation of light Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are convex. A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are convex. A microscope whose lenses are concave. ANSWER DOWNLOAD EXAMIANS APP
Physics The amount of matter in a ball of steel is its : Density Volume Mass Weight Density Volume Mass Weight ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by P – n junction diode Spectrometer Sonometer Cathode ray oscilloscope P – n junction diode Spectrometer Sonometer Cathode ray oscilloscope ANSWER DOWNLOAD EXAMIANS APP