Physics Sound becomes hazardous noise pollution at decibels? Above 50 db Above 120 db Above 80 db Above 30 db Above 50 db Above 120 db Above 80 db Above 30 db ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels at the fastest speed in air vacuum water steel air vacuum water steel ANSWER DOWNLOAD EXAMIANS APP
Physics The bats can fly in the dark because They generate ultrasonic sound waves They can see the objects in darkness They generate flashes of light They have weak legs and are likely to be attacked by predators They generate ultrasonic sound waves They can see the objects in darkness They generate flashes of light They have weak legs and are likely to be attacked by predators ANSWER DOWNLOAD EXAMIANS APP
Physics Solar eclipse will take place when the sun is between the moon and the earth the moon does not lie on the line joining the sun and the earth the moon is between the sun and the earth the earth is between the moon and the sun the sun is between the moon and the earth the moon does not lie on the line joining the sun and the earth the moon is between the sun and the earth the earth is between the moon and the sun ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric layer reflecting radio waves is called Stratosphere Ionosphere Ozonosphere Mesosphere Stratosphere Ionosphere Ozonosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A spring is an example of which of these Newton's 3rd law Newton's 1st law Conservation of mass law Hooke's law Newton's 3rd law Newton's 1st law Conservation of mass law Hooke's law ANSWER DOWNLOAD EXAMIANS APP
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