Physics Intensity of sound at a point is ____ its distance from the source. inversely proportional to square of inversely proportional to directly proportional to directly proportional to square of inversely proportional to square of inversely proportional to directly proportional to directly proportional to square of ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? Work input > work output These make work easier None of these Both A & B Work input > work output These make work easier None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics On a stationary sail boat, air is blown from a fan attached to the boat. The boat does not move moves in the same direction in which air blows moves in opposite direction in which the air is blown spins around does not move moves in the same direction in which air blows moves in opposite direction in which the air is blown spins around ANSWER DOWNLOAD EXAMIANS APP
Physics What is the full form of "RADAR" ? Radio Detecting and Ranging Radio Detect and Rangs Region Device and Ranging Radio Device and Ranging Radio Detecting and Ranging Radio Detect and Rangs Region Device and Ranging Radio Device and Ranging ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 2.8 km, 0.25 km 2.2 km, 0.20 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.8 km, 0.25 km 2.2 km, 0.20 km 3.3 km, 0.30 km 1.8 km, 0.15 km ANSWER DOWNLOAD EXAMIANS APP
Physics What is the gravity of moon as compared to the Earth 1/6 th of Earth 1/4 th of Earth 1/5 th of Earth 1/8 th of Earth 1/6 th of Earth 1/4 th of Earth 1/5 th of Earth 1/8 th of Earth ANSWER DOWNLOAD EXAMIANS APP
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