A Square and a rectanglar field with measurements as given in the figure have the same perimeter. Which filed has a larger area?

A square and a rectangular field with measurements a given in the figure have the same perimeter, which field has a larger area?

A light and a heavy body have the same momentum. Which one has larger kinetic energy?

An electron and a proton are having same kinetic energy. Which of them has greater wavelength?

A photon and an electron have the same de Broglie wavelength. Which has greater total energy?

For the determination of 'g' using a simple * pendulum, measurements of l and T are required. Error in 'the measurement of which of these will have larger effect on the value of 'g' thus obtained and why? What is done to minimize this error?

A horse is tied to a peg at one corner of a square shaped grass field of side 15 m by means of a 5 m long rope. Find the area of that part of the field in which the horse can graze and the increase in the grazing area if the rope were 10 m long instead of 5 m.

Mr. Sharma has a rectangular plot of land of length 14 m . He wants to sell a portion of it which will be of the shape of a square of side length equal to the breadth of the rectangular plot in such a manner that the remaining portion of it of the area of 50 sq. m . Is it possible?

If the area of a square and a circle are same then the ratio of their perimeters in terms of pi is__

A wire of given material having length I and area of cross-section A has a resistance of 8Omega . What would be the resistance of another wire of the same material having length l/2 and area of cross-section 4A?