Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.052777777777778 0.16736111111111 0.044444444444444 0.084027777777778 0.052777777777778 0.16736111111111 0.044444444444444 0.084027777777778 ANSWER DOWNLOAD EXAMIANS APP
Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 3.44 sec 5.41 sec 4.65 sec 2.87 sec 3.44 sec 5.41 sec 4.65 sec 2.87 sec ANSWER DOWNLOAD EXAMIANS APP
Physics A person does some work of 1,000 J in 2 s. His power will be ________ 500W 25W 1000W 50W 500W 25W 1000W 50W ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of Astronomical Distance ? Metre/sec Para/sec Parsec Sec Metre/sec Para/sec Parsec Sec ANSWER DOWNLOAD EXAMIANS APP
Physics In ________ motion of a body its velocity varies with time. Uniform Non-uniform Equilibrium Linear Uniform Non-uniform Equilibrium Linear ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection ANSWER DOWNLOAD EXAMIANS APP