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 4.65 sec 3.44 sec 5.41 sec 2.87 sec 4.65 sec 3.44 sec 5.41 sec ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency used in TV and radar system lies in HF UHF SHF VHF HF UHF SHF VHF ANSWER DOWNLOAD EXAMIANS APP
Physics A drop of liquid assumes spherical shape because: Inter molecular forces are weak in liquids A sphere has the least surface area for a given volume Intermolecular forces are strong in liquids A sphere has the largest surface area for a given volume Inter molecular forces are weak in liquids A sphere has the least surface area for a given volume Intermolecular forces are strong in liquids A sphere has the largest surface area for a given volume ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? Size of the camera The aperture The focal length of the lens The exposure time Size of the camera The aperture The focal length of the lens The exposure time ANSWER DOWNLOAD EXAMIANS APP
Physics Fog is an example of Gas dispersed in gas Solid dispersed in liquid Solid dispersed in gas Liquid dispersed in gas Gas dispersed in gas Solid dispersed in liquid Solid dispersed in gas Liquid dispersed in gas ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a form of Energy? Heat Sound Motion Pressure Heat Sound Motion Pressure ANSWER DOWNLOAD EXAMIANS APP