Physics Optic fibres are used in : Ultrasound scans Endoscopy X-ray photos CAT scans Ultrasound scans Endoscopy X-ray photos CAT scans ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become 7C C C/7 14C 7C C C/7 14C ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which conduct electricity at low temperature offer no resistance to the flow of electricity offer high resistance to the flow of current conduct electricity at high temperatures conduct electricity at low temperature offer no resistance to the flow of electricity offer high resistance to the flow of current conduct electricity at high temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops fall from great height. Which among the following statements is true regarding it? Their velocity increases and they fall with different velocity on the earth They fall with same ultimate velocity Their velocity increases and they fall with same velocity on the earth They fall with that ultimate velocity, which are different for different droplets Their velocity increases and they fall with different velocity on the earth They fall with same ultimate velocity Their velocity increases and they fall with same velocity on the earth They fall with that ultimate velocity, which are different for different droplets ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Frequency Amplitude Wavelength Speed Frequency Amplitude Wavelength Speed ANSWER DOWNLOAD EXAMIANS APP
Physics Carbon Arc lamps are commonly used in Domestic lighting Photography Vehicles Cinema projectors Domestic lighting Photography Vehicles Cinema projectors ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS