Physics Sound travels fastest in Glass Water Air Vacuum Glass Water Air Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 0.0002 µ bar 5.0 µ bar 10.0 µ bar 0.005 µ bar 0.0002 µ bar 5.0 µ bar 10.0 µ bar 0.005 µ bar ANSWER DOWNLOAD EXAMIANS APP
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 Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 0.016 2000 1000 0.008 0.016 2000 1000 0.008 ANSWER DOWNLOAD EXAMIANS APP
Physics The nature of fuse wire is High resistance and high melting point. High resistance and low melting point. Low resistance and low melting point. Low resistance and high melting point. High resistance and high melting point. High resistance and low melting point. Low resistance and low melting point. Low resistance and high melting point. ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Principle of complementary colour Persistence of vision Formation of pure spectra Formation of impure spectra Principle of complementary colour Persistence of vision Formation of pure spectra Formation of impure spectra ANSWER DOWNLOAD EXAMIANS APP