Physics Surface tension in a liquid is due to : Gravitational force between molecules Adhesive force betweenmolecules Electrical force between molecules. Cohesive force between molecules Gravitational force between molecules Adhesive force betweenmolecules Electrical force between molecules. Cohesive force between molecules ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Wind mill grinding wheat grain Paddling the bicycle to cover a distance Rowing a boat in the lake Driving a car to cover a distance Wind mill grinding wheat grain Paddling the bicycle to cover a distance Rowing a boat in the lake Driving a car to cover a distance ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current is constant Photo current increases with voltage Photo electric emission is not possible Photo current decreases with voltage Photo current is constant Photo current increases with voltage Photo electric emission is not possible Photo current decreases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? Work input > work output Both A & B These make work easier None of these Work input > work output Both A & B These make work easier None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following instruments is used to measure humidity ? Anemometer Kata Thermometer Sling Psychrometer Clinical Thermometer Anemometer Kata Thermometer Sling Psychrometer Clinical Thermometer ANSWER DOWNLOAD EXAMIANS APP
Physics If velocity is constant then acceleration is what? Infinite Constant Increasing Zero Infinite Constant Increasing Zero ANSWER DOWNLOAD EXAMIANS APP