Physics Which one of the following is not a property of electromagnetic waves? Electromagnetic waves do not require a medium to propagate. Electromagnetic waves do not show interference and diffraction. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves are transverse waves Electromagnetic waves do not require a medium to propagate. Electromagnetic waves do not show interference and diffraction. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves are transverse waves ANSWER DOWNLOAD EXAMIANS APP
Physics What is found in frequency modulation ? Fixed frequency Change in dimension only Fixed dimension Change in frequency and dimension Fixed frequency Change in dimension only Fixed dimension Change in frequency and dimension ANSWER DOWNLOAD EXAMIANS APP
Physics The wave of theory of light is based on The inverse square law The laws of refraction Huyghens' principle The laws of reflection The inverse square law The laws of refraction Huyghens' principle The laws of reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Diamagnetic Ferromagnetic Non-magnetic Paramagnetic Diamagnetic Ferromagnetic Non-magnetic Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics What is the range of Strong Nuclear force? Very short Subnuclear size Very short Nuclear size Infinite None Very short Subnuclear size Very short Nuclear size Infinite None ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of continous emission spectrum? Spectrum of a water None Spectrum of an oil frame Both Spectrum of a water None Spectrum of an oil frame Both ANSWER DOWNLOAD EXAMIANS APP