Physics Supercooling is cooling of liquid ________ Below freezing point Below melting point Above melting point At melting point Below freezing point Below melting point Above melting point At melting point ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Water to air Glass to air Water to glass Glass to water Water to air Glass to air Water to glass Glass to water ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Adiabatic demagnetisation Super conductivity Thermo-electric effect Joule-Kelvin effect Adiabatic demagnetisation Super conductivity Thermo-electric effect Joule-Kelvin effect ANSWER DOWNLOAD EXAMIANS APP
Physics Matter waves are Longitudinal waves De Broglie waves Electromagnetic waves Transverse waves Longitudinal waves De Broglie waves Electromagnetic waves Transverse waves ANSWER DOWNLOAD EXAMIANS APP
Physics Safety fuse wire used in domestic electrical appliances is made of metal of low Specific gravity Melting point Resistance Conductance Specific gravity Melting point Resistance Conductance ANSWER DOWNLOAD EXAMIANS APP
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