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? 5.41 sec 4.65 sec 2.87 sec 3.44 sec 5.41 sec 4.65 sec 2.87 sec 3.44 sec ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of any wave is proportional to which of the following? Square root of amplitude Cube of amplitude Square of amplitude Amplitude Square root of amplitude Cube of amplitude Square of amplitude Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are methods of heat transfer? Convection Evaporation Revolution Thermal Expansion Convection Evaporation Revolution Thermal Expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following is false about displacement? Displacement is never greater than Distance It can be positive, negative or zero Its SI unit is meter It is always positive Displacement is never greater than Distance It can be positive, negative or zero Its SI unit is meter It is always positive ANSWER DOWNLOAD EXAMIANS APP
Physics When number of turns in a coil is trippled, without any change in the length of coil, its self inductance becomes? One–third Three times Six times Nine times One–third Three times Six times Nine times ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used for regulated electric supply ? Gun diode Tunnel diode Junction diode Zener diode Gun diode Tunnel diode Junction diode Zener diode ANSWER DOWNLOAD EXAMIANS APP