Physics Dioptre is the unit of Focal length of a lens Sound intensity Light intensity Power of a lens Focal length of a lens Sound intensity Light intensity Power of a lens ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Frequency Wavelength Amplitude Speed Frequency Wavelength Amplitude Speed ANSWER DOWNLOAD EXAMIANS APP
Physics A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that The metal ball suffers greater change in momentum Both suffer the same change in momentum The initial momentum of the rubber ball is greater than that of the metal ball The rubber ball suffers greater change in momentum The metal ball suffers greater change in momentum Both suffer the same change in momentum The initial momentum of the rubber ball is greater than that of the metal ball The rubber ball suffers greater change in momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning heats the surrounding air to 3000 deg Cent 300000 deg Cent 300 deg Cent 30000 deg Cent 3000 deg Cent 300000 deg Cent 300 deg Cent 30000 deg Cent 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? 2.87 sec 5.41 sec 3.44 sec 4.65 sec 2.87 sec 5.41 sec 3.44 sec 4.65 sec ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is the value of one nanometer? 10-7 cm 10-4 cm 10-6 cm 10-3 cm 10-7 cm 10-4 cm 10-6 cm 10-3 cm ANSWER DOWNLOAD EXAMIANS APP