Let the speed of the stream = x km/hr Speed of the boat in still water = 11km/hr Speed of... View Article
Current is produced due to the flow of negative charges called electrons. When there is current, the electrons will flow... View Article
Burning paper is actually a chemical reaction which involves exothermic reaction. The heat is released. Paper is burned oxygen from... View Article
The population of the town = 20000 Rate of increase in the population = 5% Number of years = 3... View Article
The Parallelogram ABCD is considered. Angle D is 125 degree The opposite angles are equal and adjacent angles are supplementary.... View Article
Liquid has no fixed shape but has a definite volume. Explanation The particles are closely connected in the liquid matter.... View Article
According to Ohm’s law, the amount of electric current through a metal conductor at a constant temperature in a circuit... View Article
Due to the large atomic size of the phosphorus, it is unable to form pi bonds and it is tetratomic... View Article
An object is moving if its position relative to a fixed position is changing. When we describe the motion of... View Article
The vapour density of the gas is 16 The molecular mass = 2*vapour density = 2*16 = 32 Therefore the... View Article
Our respiratory system includes the nose, mouth, throat, voice box, windpipe and lungs. The two openings of the airway meet... View Article
5 + 3 √2 is an irrational number is to be proved. Let 5 + 3 √2 is a rational... View Article
Answer: Green plants are also called photoautotrophs Photoautotrophs name is given to the green plants because the green plants do... View Article
There are the stepwise explanation for the plotting of root 6 on a number line Draw a horizontal line first... View Article
Here are the stepwise explanation for the plotting of 9.3 on the number line Draw a line AB by measuring... View Article
If we multiply two whole numbers we get a product. The numbers that we multiply are the factors of the... View Article
A small force will be experienced when a small north magnetic pole is placed in the magnetic field. These lines... View Article
The number of box that an 800kg van can hold = 177boxes Weight of each box of medicine = 4kg500g... View Article
Geotrophism is the directional movement in response to gravity. Charles Darwin was one of the scientists first shown the positive... View Article
Factors of 18 are 1,2,3,6,9 and 18 Factors of 19 are 1 and 19 Factors of 200 are 1,2,4,5,8,20,25,40,50,100,200