Physics Light beam which is highly directional is called: Eraser Maser Laser Grazer Eraser Maser Laser Grazer ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Voltage unloader Current unloader Heat protector Surge protector Voltage unloader Current unloader Heat protector Surge protector ANSWER DOWNLOAD EXAMIANS APP
Physics The work done by the string of a simple pendulum during one complete oscillation is equal to Kinetic energy of the pendulum Zero Total energy of the pendulum Potential energy of the pendulum Kinetic energy of the pendulum Zero Total energy of the pendulum Potential energy of the pendulum ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat ANSWER DOWNLOAD EXAMIANS APP
Physics The law of conservation of energy states that Energy can either be created nor destroyed Energy can neither be created nor destroyed Energy can neither be created or destroyed Energy can either be created or destroyed Energy can either be created nor destroyed Energy can neither be created nor destroyed Energy can neither be created or destroyed Energy can either be created or destroyed ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of temperature? Celsius Kelvin Fahrenheit Joule Celsius Kelvin Fahrenheit Joule ANSWER DOWNLOAD EXAMIANS APP