Physics The number of waves per second in a sound is called ________ of that sound. Acceleration Velocity Frequency Displacement Acceleration Velocity Frequency Displacement ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? Kg/m3 Kg/m2 It has no unit Kg/m Kg/m3 Kg/m2 It has no unit Kg/m ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Glass - wool Glass pieces Steel Stone chips Glass - wool Glass pieces Steel Stone chips ANSWER DOWNLOAD EXAMIANS APP
Physics The working of the quartz crystal in the watch is based on the Photoelectric Effect Edison Effect Piezo - electric Effect Johnson Effect Photoelectric Effect Edison Effect Piezo - electric Effect Johnson Effect ANSWER DOWNLOAD EXAMIANS APP
Physics Planets are luminous heavenly bodies that twinkle non-luminous heavenly bodies luminous heavenly bodies revolving around a star luminous heavenly bodies that do not twinkle luminous heavenly bodies that twinkle non-luminous heavenly bodies luminous heavenly bodies revolving around a star luminous heavenly bodies that do not twinkle ANSWER DOWNLOAD EXAMIANS APP
Physics Water pipes in hilly areas often burst on a cold frosty night, because The material of which pipes are made contracts due to cold and so breaks Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break None of these The material of which pipes are made contracts due to cold and so breaks Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break None of these ANSWER DOWNLOAD EXAMIANS APP
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