Physics Least audible sound for most of the human ear is : 0.005 µ bar 10.0 µ bar 0.0002 µ bar 5.0 µ bar 0.005 µ bar 10.0 µ bar 0.0002 µ bar 5.0 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Infrasonic wave Audible wave Ultrasonic wave Microwave Infrasonic wave Audible wave Ultrasonic wave Microwave ANSWER DOWNLOAD EXAMIANS APP
Physics A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the body is: [Given g = 9.8 m/s2] 1568 N 1568 W 1568 C 1568 J 1568 N 1568 W 1568 C 1568 J ANSWER DOWNLOAD EXAMIANS APP
Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will None of these Fall into his hand Fall behind him Fall in front of him None of these Fall into his hand Fall behind him Fall in front of him ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection II and III I, II and III I and III I and II II and III I, II and III I and III I and II ANSWER DOWNLOAD EXAMIANS APP
Physics A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds. 4 8 72 36 4 8 72 36 ANSWER DOWNLOAD EXAMIANS APP