Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 0.016 2000 0.008 1000 0.016 2000 0.008 1000 ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 200J 400J 40J 20 J 200J 400J 40J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Conservation of energy Newton's first law of motion Backward thrust of gases produced Newton's third law of motion Conservation of energy Newton's first law of motion Backward thrust of gases produced Newton's third law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? All of these Air Solar Water All of these Air Solar Water ANSWER DOWNLOAD EXAMIANS APP
Physics Electrons carry a Variable Charge Negative Charge Positive Charge Neutral Charge Variable Charge Negative Charge Positive Charge Neutral Charge ANSWER DOWNLOAD EXAMIANS APP
Physics If a barometric reading is falling, this usually indicates what None Decreasing pressure Increasing pressure No pressure None Decreasing pressure Increasing pressure No pressure ANSWER DOWNLOAD EXAMIANS APP