Physics The metal used to make lightning conductors is Zinc Iron Aluminium Copper Zinc Iron Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Is independent of its velocity. Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Is independent of its velocity. Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. 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? 4.65 sec 3.44 sec 5.41 sec 2.87 sec 4.65 sec 3.44 sec 5.41 sec 2.87 sec ANSWER DOWNLOAD EXAMIANS APP
Physics Noise is measured in Decibel Watt REM Centigrade Decibel Watt REM Centigrade ANSWER DOWNLOAD EXAMIANS APP
Physics The energy emitted by the Sun is due to Chemical reaction Nuclear fusion Nuclear fission All of these Chemical reaction Nuclear fusion Nuclear fission All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Effect of other magnets Earth's magnetic field Demagnetization due to heating Self-demagnetization Effect of other magnets Earth's magnetic field Demagnetization due to heating Self-demagnetization ANSWER DOWNLOAD EXAMIANS APP