Physics When a ring of metal is heated what happens to its hole ? 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 Contracts It expands or contracts according to its coefficient of expansion Expands ANSWER DOWNLOAD EXAMIANS APP
Physics The energy associated with motion is called None of these Both A & B Potential energy Kinetic energy None of these Both A & B Potential energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the second largest source of global energy? Nuclear Energy None of these Fossil fuel Renewable Energy Nuclear Energy None of these Fossil fuel Renewable Energy ANSWER DOWNLOAD EXAMIANS APP
Physics What is another name for energy of motion? Potential energy Motional energy Kinetic energy Rotational energy Potential energy Motional energy Kinetic energy Rotational energy ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of stone is immersed in water, it displaces water of equal Density Mass Specific gravity Volume Density Mass Specific gravity Volume ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The exposure time The aperture Size of the camera The focal length of the lens The exposure time The aperture Size of the camera The focal length of the lens ANSWER DOWNLOAD EXAMIANS APP