Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are more energetic than long waves. Short wave broadcasts are made by nearby radio stations. Short waves are unaffected by atmospheric disturbances. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are more energetic than long waves. Short wave broadcasts are made by nearby radio stations. Short waves are unaffected by atmospheric disturbances. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of heat radiation in vacuum is Equal to that of light Less than that of light Greater than that of light Equal to that of sound Equal to that of light Less than that of light Greater than that of light Equal to that of sound ANSWER DOWNLOAD EXAMIANS APP
Physics A gap is left between two rails of a railway track to accommodate...... of the metal. Apparent expansion Linear expansion Volume expansion Areal expansion Apparent expansion Linear expansion Volume expansion Areal expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Hertz Phon Decibel Sone Hertz Phon Decibel Sone ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes in automobile work on Pascal's principle Poiseuille's principle Archimedes' principle Bernoulli's principle Pascal's principle Poiseuille's principle Archimedes' principle Bernoulli's principle ANSWER DOWNLOAD EXAMIANS APP
Physics The number of waves per second in a sound is called ________ of that sound. Velocity Frequency Acceleration Displacement Velocity Frequency Acceleration Displacement ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS