Demand curve is the relationship between price and quantity of product. In perfect competition, the demand curve for the product by a firm is perfectly elastic at maket price.
The angles of depression of two ships from the top of a light house are 60° and 45° towards east. If the ships are 300 m apart, the height of the light house is
Consider a hypothetical planet whose mass and radius are both half that of Earth. If g is the acceleration due to gravity on the surface of Earth, the acceleration due to gravity on the planet will be