Physics Man perceives sound vibrations in the frequency ranges of 0 – 5 Hz 20 – 20000 Hz 11 – 20 Hz 6 – 10 Hz 0 – 5 Hz 20 – 20000 Hz 11 – 20 Hz 6 – 10 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics In MRI machine, which one of the following is used? Sound wave Magnetic wave X-ray Ultra-sound wave Sound wave Magnetic wave X-ray Ultra-sound wave ANSWER DOWNLOAD EXAMIANS APP
Physics The minimum number of forces to keep a particle in equilibrium is 1 4 3 2 1 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics The best conductor of electricity among the following is : Iron Silver Aluminium Copper Iron Silver Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Physics Fish and other aquatic creatures can live inside a deep frozen pond because Fish are cold-blooded animals There will always be water just beneath the ice level They can adapt themselves to live in ice Ice is a bad conductor of heat Fish are cold-blooded animals There will always be water just beneath the ice level They can adapt themselves to live in ice Ice is a bad conductor of heat ANSWER DOWNLOAD EXAMIANS APP