Physics If the length of a simple pendulum is halved then its period of oscillation is Halved Increased by a factor 2 Doubled Decreased by a factor 2 Halved Increased by a factor 2 Doubled Decreased by a factor 2 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? 2.87 sec 5.41 sec 3.44 sec 4.65 sec 2.87 sec 5.41 sec 3.44 sec 4.65 sec 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 ) 40J 400J 20 J 200J 40J 400J 20 J 200J ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Exosphere Ionosphere Mesosphere Stratosphere Exosphere Ionosphere Mesosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The three famous law of Kepler is related to Planetary Motion Speed Oscillations Optics Planetary Motion Speed Oscillations Optics ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Rectifiers Oscillators None of these Amplifiers Rectifiers Oscillators None of these Amplifiers ANSWER DOWNLOAD EXAMIANS APP
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