42,000 km
30,000 km
36,000 km
None of these
The horse pulls the cart because of
The hydraulic brakes used in automobiles is a direct application of
The Hydraulic Break works on the principle of _ .
The image formed by a plane mirror is always?
The image formed by an object on the retina of the human eye is
The image formed in a compound microscope is
The image formed on the retina of the eye is
The image of an object formed on the retina of the eye is
The important unit of a microprocessor is
The inability of a body to change its state of rest or uniform motion along a straight line is called its
