Answer: Given (√3 - 1)/(√3 + 1) To rationalize the given equation we will multiply and divide the denominator by (√3 - 1) ⇒ (√3 - 1)(√3 -... View Article
When the concentration of solutes is low in plant cells, the absorption of water is retarded. In this process exosmosis takes place. The movement... View Article
Fire is in the plasma state. It is considered as the fourth state of matter after solid, liquid, and gas. Plasma is a state which comprises of... View Article
Carboxylic acid weaker than HCl due to the following reasons: Ions of carboxylic acid do not dissociate completely in water Carboxylic acid... View Article
Answer: Photosynthesis is the process in which green plants use sunlight to make their own food. Photosynthesis requires sunlight, chlorophyll,... View Article
All objects have a tendency to fall towards the earth when thrown up due to the influence of gravity. The gravitational force acts upon the body... View Article
Answer: Let us consider the number be x As per the given condition If we subtract 1/2 from a number and multiply the result by 1/2, then we... View Article
Usually, solids have a higher density than that of liquids. But Ice floats on water. Reson: Ice is generally regarded as a solid-state of... View Article
We yawn usually when we feel sleepy. Our body gets tired and it tends to take rest or sleep. When we feel sleepy rate of respiration slows down.... View Article
Yes, the CO2 we breathe out the by-product of the respiration which happened with the oxygen we just breathed in. The end products are CO2 and... View Article
The pressure exerted by a gas is due to the random motion of particles in the gas. Gases have weak intermolecular forces and the particles are in... View Article
In general terms evaporation is defined as the process in which the liquid state is convverted in to gas. This process requires heat energy.... View Article
In electromagnetic waves the ratio of amplitudes of electric field and magnetic field is equal to the velocity of the electromagnetic waves in... View Article
Microorganisms are minute organisms that are invisible to the naked eye. Microorganisms are so small that they can only be seen under a... View Article
Given equation 3/x-1+1/x-3=4/x-2 We need to find the value of x 3/x-1+1/x-3=4/x-2 On taking LCM in LHS we get 3(x-3) + 1 (x-1) / (x-1)(x-3)= 4/... View Article
Let the three consecutive positive integers be n,n+1,n+2 We know that n is of the form 3q,3q+1 or, 3q+2 Hence we can consider the following... View Article
Endocytosis is a process by which amoeba engulfs its food. Amoeba has a flexible membrane and finger-like projections called pseudopodia.... View Article
The digested products absorbed by the blood and supplied to all parts of the body are called absorption. This process involves the following... View Article
