Physics When a ring of metal is heated what happens to its hole ? Contracts It expands or contracts according to its coefficient of expansion Expands It expands or contracts according to its diameter Contracts It expands or contracts according to its coefficient of expansion Expands It expands or contracts according to its diameter ANSWER DOWNLOAD EXAMIANS APP
Physics A person can jump higher on the moon's surface than on the earth because : The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon's surface is rough The moon has no atmosphere The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon's surface is rough The moon has no atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics What is the fundamental unit of amount of a substance? Kelvin Meter Candela Mole Kelvin Meter Candela Mole ANSWER DOWNLOAD EXAMIANS APP
Physics The boiling point of water decreases at higher altitudes is due to High temprature High atmospheric pressure Low atmospheric pressure Low temperature High temprature High atmospheric pressure Low atmospheric pressure Low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Will decrease Varies with the increase of depth of the immersion of the iron piece Will increase Does not change Will decrease Varies with the increase of depth of the immersion of the iron piece Will increase Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics The force that binds the neutrons and protons in a nucleus is called as: Electromagnetic Force Strong Nuclear Force Gravitational Force Weak Nuclear Force Electromagnetic Force Strong Nuclear Force Gravitational Force Weak Nuclear Force ANSWER DOWNLOAD EXAMIANS APP