Physics The frequency of ultrasound wave is typically Above 20 kHz Below 02 kHz Below 20 kHz Above 20,000 kHz Above 20 kHz Below 02 kHz Below 20 kHz Above 20,000 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics No current will flow between two charged bodies if they have the same Resistance Charge/ potential ratio Potential Charge Resistance Charge/ potential ratio Potential Charge ANSWER DOWNLOAD EXAMIANS APP
Physics 1 WH = 3600 joules 360 joules 36 joules 36000 joules 3600 joules 360 joules 36 joules 36000 joules ANSWER DOWNLOAD EXAMIANS APP
Physics A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct? Both the photons have different energies. The speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Perfect conductors Dielectrics Semi conductors Superconductors Perfect conductors Dielectrics Semi conductors Superconductors ANSWER DOWNLOAD EXAMIANS APP
Physics One nanometer is equal to ________ meters. 10 raised to the power (-3) 10 raised to the power (-12) 10 raised to the power (-6) 10 raised to the power (-9) 10 raised to the power (-3) 10 raised to the power (-12) 10 raised to the power (-6) 10 raised to the power (-9) ANSWER DOWNLOAD EXAMIANS APP