Physics Optical fibre works on which of the following principle of light? Reflection Refraction Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Which electromagnetic radiation is used for satellite communication ? Infrared Millimeter wave Ultraviolet Radiowave Infrared Millimeter wave Ultraviolet Radiowave ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency used in TV and radar system lies in VHF HF SHF UHF VHF HF SHF UHF ANSWER DOWNLOAD EXAMIANS APP
Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Semi-major axis Square of the semi-major axis Fourth power of the semi-major axis Cube of the semi-major axis Semi-major axis Square of the semi-major axis Fourth power of the semi-major axis Cube of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
Physics Who gave black hole theory? Albert Einstein Isaac Newton None of these Stephen Hawking Albert Einstein Isaac Newton None of these Stephen Hawking ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels at the fastest speed in: water glass vacuum hydrogen water glass vacuum hydrogen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS