Given that: Area of three circles are in the ratio 4:9:25 Let the radii of the three circles be a,b and c We know that the formula for the area... View Article
No. The process does not violate the law of conservation of energy. This is because when the body falls from a height, then its potential energy... View Article
Given that Resistance of a wire is R and cross-section area is A now areas change to N times. We need to find new resistance. We know that... View Article
The sun is the source of heat and light and the midpoint and for the solar system. It is made up of enormously hot gas. It gives the pulling... View Article
Back bonding is a type of resonance that is exhibited by several chemical compounds. Back bonding is known to offer increased stability to... View Article
SONAR stands for SOund Navigation And Ranging. It is also referred to as echo ranging. It is a mechanical device that utilizes ultrasonic waves... View Article
Given that the equation f(x) = x4 - 2x3 + 3x2 - ax +b When f(x) is divided by (x+1) and (x-1) , the remainders are 19 and 5 respectively . ∴... View Article
Anything that has mass and occupies space is called matter. The three states of matter are solid, liquid, and gas. The sense of smell is not a... View Article
Given that: Total Distance = 32kmSpeed in Still Water = 24km/hLet the speed of the stream be 'x' km/hthen, Speed moving upstream = 24-x Speed... View Article
An exterior angle is an angle which is formed by one of the sides of any closed shape structure such as polygon and the extension of its adjacent... View Article
False. Adam's apple is mostly present in boys. The protruding part of the throat in boys is called Adam's apple. It is the enlarged voice box... View Article
The water of crystallization means having a fixed number of molecules present in one formula of a unit of salt. Crystal salts with water of... 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
The electric motor, generator, and transformers all work on the principle of electromagnetic induction. The electric motor converts electrical... View Article
Longitudinal waves are the waves where the displacement of the medium is in the same direction, or in opposite direction, and direction of the... View Article
Osmosis is a process by which the molecules of a solvent pass from a solution of low concentration to a solution of high concentration through a... View Article
Biomagnification or biological magnification is the process of accumulation of certain chemicals in living organisms to a concentration higher... View Article
Given that A triangle and parallelogram are constructed on the same base such that their area equal. We need to find the altitude of the... View Article
Answer: When a liquid evaporates, the particles of the liquid absorb energy from the surroundings to compensate the loss of energy during... View Article