What Is The Power Of A Lens With Focal Length Of 10 Cm? Hence, the power of the lens is 10 dioptre What is meant by power of a lens the focal length of a lens is 10cm write the nature of the lens and find its power? Given Focal length f = -10cm. =
How Are Power And Work Related? Work is the energy needed to apply a force to move an object a particular distance, where force is parallel to the displacement. Power is the rate at which that work is done. Does power increase with time? So power increases linearly with time because kinetic energy increases as
What Is The Relationship Of Time And Power? Power and time are inversely proportional. Does power depend upon time? Power is the rate at which work is performed determined by how long it takes to perform the work. Power is then directly proportional to the work done and inversely proportional to the time to do
Is Power Is A Vector Quantity? Power is defined as the energy (or work) per unit time. Since, time is not considered as a vector quantity, and neither energy or work because the work is not directional. … So yes, the power is a scalar quantity because it has a unit magnitude but no direction.
What Is Positive Work In Physics Class 9? When force and displacement are in the same direction, the work performed on an object is said to be positive work. Example: When a body moves on the horizontal surface, force and displacement act in the forward path. The work is done in this case known as