Reflex actions are sudden responses. It is an involuntary action that does not involve thinking. For example, when we touch a hot object, we... View Article
Blood is a specialized body fluid. It has four main components: plasma, red blood cells, white blood cells, and platelets. About 7 to 8 per cent... View Article
Answer: Sodium Sodium is an alkali metal and is so soft that it can be easily cut by knife. Soft metals are those which can be cut and easy... View Article
Answer: (d)Â neither the forward nor the reverse reaction has stopped. Chemical equilibrium is dynamic in nature wherein concentrations of both... View Article
Given that Time = 2 hours Distance = 20m/s Speed = Distance / Time Distance = Speed x Time = 20 m/s x 2 hours = 20 m/s x 2 x 60 x 60 sec... View Article
Answer: When the muscles are relaxed, the lens becomes thin. Thus, its focal length increases. The image is formed on the retina even on... View Article
A first-order reaction has a rate law in which the sum of the exponents is equal to 1. In a first-order reaction, the reaction rate is directly... View Article
Newton's third law is the principle behind the working of a jet plane. It states that every motion has an equal and opposite reaction. Newton's... View Article
A rough drawing drawn without a scale is called a sketch map. A sketch is a drawing mainly based on memory and spot observation and not to... View Article
When the cyclist bends while taking a sharp turn, the component of his weight provides the necessary centripetal force and this reduces his... View Article