Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : In a straight line In all directions With the speed of light Heating the medium through which it passes In a straight line In all directions With the speed of light Heating the medium through which it passes ANSWER DOWNLOAD EXAMIANS APP
Physics The nature of fuse wire is High resistance and low melting point. High resistance and high melting point. Low resistance and low melting point. Low resistance and high melting point. High resistance and low melting point. High resistance and high melting point. Low resistance and low melting point. Low resistance and high melting point. ANSWER DOWNLOAD EXAMIANS APP
Physics Thermal expansion of materials arises from Asymmetry of potential energy curve Weak bonds Thermal vibrations Strong bonds Asymmetry of potential energy curve Weak bonds Thermal vibrations Strong bonds ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Susceptibility independent of temperature Hysteresis Attracting a magnetic substance Point in a particular direction Susceptibility independent of temperature Hysteresis Attracting a magnetic substance Point in a particular direction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is correct about the properties of Gravitational Forces? None They observe inverse square law Both a and b They are the strongest forces in nature None They observe inverse square law Both a and b They are the strongest forces in nature ANSWER DOWNLOAD EXAMIANS APP