Physics Sound waves cannot travel in Water Hydrogen gas Glass Vacuum Water Hydrogen gas Glass Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics What is the size of Electron as comapared to Proton and Neutron? 1/1236 1/1836 8402 1/355 1/1236 1/1836 8402 1/355 ANSWER DOWNLOAD EXAMIANS APP
Physics A particle is thrown vertically upward. When it reaches the highest point, it has An upward acceleration A horizontal velocity A downward acceleration A downward velocity An upward acceleration A horizontal velocity A downward acceleration A downward velocity 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? 1.8 km, 0.15 km 3.3 km, 0.30 km 2.8 km, 0.25 km 2.2 km, 0.20 km 1.8 km, 0.15 km 3.3 km, 0.30 km 2.8 km, 0.25 km 2.2 km, 0.20 km ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 100 J 200 J 0 J 400 J 100 J 200 J 0 J 400 J ANSWER DOWNLOAD EXAMIANS APP
Physics To measure the speed of an approaching car a police officer shines Ultra high frequency waves on it Radio waves on it Light waves on it Microwaves on it Ultra high frequency waves on it Radio waves on it Light waves on it Microwaves on it ANSWER DOWNLOAD EXAMIANS APP