Physics To resolve an object in an electron microscope, Both A & B None of these 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. Both A & B None of these 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. ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light will be minimum while passing through Vaccum Water Air Glass Vaccum Water Air Glass ANSWER DOWNLOAD EXAMIANS APP
Physics A micron is equal to 0.0001 mm 0.1 mm 0.001 mm 0.01 mm 0.0001 mm 0.1 mm 0.001 mm 0.01 mm ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Both the heating effect of current and hysteresis loss Intense sunlight at noon The heating effect of current alone Hysteresis loss alone Both the heating effect of current and hysteresis loss Intense sunlight at noon The heating effect of current alone Hysteresis loss alone ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following processes is energy released ? Respiration Photosynthesis Absorption Ingestion Respiration Photosynthesis Absorption Ingestion ANSWER DOWNLOAD EXAMIANS APP
Physics The temperature which has the same reading on both Fahrenheit and Celsius scales is –40° 32° 40° 0° –40° 32° 40° 0° ANSWER DOWNLOAD EXAMIANS APP