Physics Sound of frequency below 20 Hz is called ultrasonic supersonics infrasonic audio sounds ultrasonic supersonics infrasonic audio sounds ANSWER DOWNLOAD EXAMIANS APP
Physics A person does some work of 1,000 J in 2 s. His power will be ________ 1000W 50W 500W 25W 1000W 50W 500W 25W ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? It expands or contracts according to its coefficient of expansion Expands Contracts It expands or contracts according to its diameter It expands or contracts according to its coefficient of expansion Expands Contracts It expands or contracts according to its diameter ANSWER DOWNLOAD EXAMIANS APP
Physics Radian is used to measure Temperature Intensity of Flame Angle Solid Angle Temperature Intensity of Flame Angle Solid Angle ANSWER DOWNLOAD EXAMIANS APP
Physics Pa(Pascal) is the unit for Conductivity Frequency Pressure Thrust Conductivity Frequency Pressure Thrust 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 initial momentum of the rubber ball is greater than that of the metal ball Both suffer the same change in momentum The metal ball suffers greater change in momentum The rubber ball suffers greater change in momentum The initial momentum of the rubber ball is greater than that of the metal ball Both suffer the same change in momentum The metal ball suffers greater change in momentum The rubber ball suffers greater change in momentum ANSWER DOWNLOAD EXAMIANS APP