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 Doppler effect Beats Resonance Echo Doppler effect Beats Resonance Echo ANSWER DOWNLOAD EXAMIANS APP
Physics A gradual increase in loudness is known as Timbre Fortissimo None of these Crescendo Timbre Fortissimo None of these Crescendo ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of continous emission spectrum? None Spectrum of a water Spectrum of an oil frame Both None Spectrum of a water Spectrum of an oil frame Both ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used for regulated electric supply ? Zener diode Junction diode Tunnel diode Gun diode Zener diode Junction diode Tunnel diode Gun diode ANSWER DOWNLOAD EXAMIANS APP
Physics Curie point is the temperature at which Transmutation of metal occurs. A metal loses conductivity A metal loses magnetic properties. Matter becomes radioactive Transmutation of metal occurs. A metal loses conductivity A metal loses magnetic properties. Matter becomes radioactive ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Doubled Decreased by a factor 2 Halved Increased by a factor 2 Doubled Decreased by a factor 2 Halved Increased by a factor 2 ANSWER DOWNLOAD EXAMIANS APP