Physics Which of the following criterion is used for any metal to be used as a cooking material ? More specific heat Less electrical conductivity Less thermal conductivity More thermal conductivity More specific heat Less electrical conductivity Less thermal conductivity More thermal conductivity 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 The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 12.2 km/sec 10.2 km/sec 11.2 km/sec 13.2 km/sec 12.2 km/sec 10.2 km/sec 11.2 km/sec 13.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Which waves cannot be transmitted through vacuum? Electromagnetic Heat Light Sound Electromagnetic Heat Light Sound ANSWER DOWNLOAD EXAMIANS APP
Physics Forged documents are detected by Beta rays Infra-red rays Gamma rays Ultraviolet rays Beta rays Infra-red rays Gamma rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Heat protector Surge protector Voltage unloader Current unloader Heat protector Surge protector Voltage unloader Current unloader ANSWER DOWNLOAD EXAMIANS APP