Physics Sound becomes hazardous noise pollution at decibels? Above 120 db Above 50 db Above 80 db Above 30 db Above 120 db Above 50 db Above 80 db Above 30 db ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to cook rice At the top of a mountain Same anywhere At the sea level Under a mine At the top of a mountain Same anywhere At the sea level Under a mine ANSWER DOWNLOAD EXAMIANS APP
Physics When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the object's velocity from 4 m/s to 6 m/s . What is the magnitude of the applied force? 4.33 N 5.33 N 6.33 N 3.33 N 4.33 N 5.33 N 6.33 N 3.33 N ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because High atmospheric pressure Combined effect of all the above three Water expands on freezing Contraction of water pipes High atmospheric pressure Combined effect of all the above three Water expands on freezing Contraction of water pipes ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on None of these Wavelength Frequency Temperature None of these Wavelength Frequency Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics By how many times are the Electrostatic forces stronger than the Gravitational Forces for a fixed distance? 2 1012 1036 102 2 1012 1036 102 ANSWER DOWNLOAD EXAMIANS APP