Physics The number of waves per second in a sound is called ________ of that sound. Velocity Acceleration Frequency Displacement Velocity Acceleration Frequency Displacement ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Metal Air Vacuum Water Metal Air Vacuum Water ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Reflection Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound has both subjective and objective existence no existence an object existence a subject existence both subjective and objective existence no existence an object existence a subject existence ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Photovoltaic cell Galvanic cell Daniell cell Electrochemical cell Photovoltaic cell Galvanic cell Daniell cell Electrochemical cell ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of simple harmonic motion? Simple pendulum motion Motion of a ceiling fan Earth spinning on its axis Ball bouncing on floor Simple pendulum motion Motion of a ceiling fan Earth spinning on its axis Ball bouncing on floor ANSWER DOWNLOAD EXAMIANS APP