Physics Optic fibres are used in : X-ray photos CAT scans Ultrasound scans Endoscopy X-ray photos CAT scans Ultrasound scans Endoscopy ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, 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 The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics A NOT gate can be implemented by: A single transistor A single diode A single resistor Two diodes A single transistor A single diode A single resistor Two diodes ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal? –40 273 40 –273 –40 273 40 –273 ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? Frequency of 1016 series M. Micro waves Radio waves Frequency of 1016 series M. Micro waves Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics Specific gravity is defined as the ratio of Density of the substance to the density of water at 4°C Density of the substance to the density of water Density of water at 4°C to the density of the substance Density of the substance to the density of water at 0°C Density of the substance to the density of water at 4°C Density of the substance to the density of water Density of water at 4°C to the density of the substance Density of the substance to the density of water at 0°C ANSWER DOWNLOAD EXAMIANS APP