Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Formation of pure spectra Formation of impure spectra Principle of complementary colour Persistence of vision Formation of pure spectra Formation of impure spectra Principle of complementary colour Persistence of vision ANSWER DOWNLOAD EXAMIANS APP
Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 5.41 sec 4.65 sec 2.87 sec 3.44 sec 5.41 sec 4.65 sec 2.87 sec 3.44 sec ANSWER DOWNLOAD EXAMIANS APP
Physics Golden view of sea shell is due to Polarization Reflection Diffraction Dispersion Polarization Reflection Diffraction Dispersion ANSWER DOWNLOAD EXAMIANS APP
Physics The quantity that is not conserved in an inelastic collision is Total Energy All of these Kinetic Energy Momentum Total Energy All of these Kinetic Energy Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics A standing wave occurs when A wave reflects upon itself The speed of the wave is zero or near zero The amplitude of a wave exceeds its wavelength Two waves overlap A wave reflects upon itself The speed of the wave is zero or near zero The amplitude of a wave exceeds its wavelength Two waves overlap ANSWER DOWNLOAD EXAMIANS APP
Physics A decibel is A musical instrument A measure of sound level A musical note The wavelength of noise A musical instrument A measure of sound level A musical note The wavelength of noise ANSWER DOWNLOAD EXAMIANS APP
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