What is a triple point? What is the difference between the triple point and boiling point?
The ‘triple point of water’ is the point where one is interested in all ‘three phases’ of water at a... View Article
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When Vijay sells 12 pens, he gains the selling price of 2 pens. Calculate his gain percentage.
Given that When Vijay sells 12pens, he gains the selling price of 2pens Calculate his profit percent? Let the selling... View Article
A pair of dice is thrown once. Find the probability of getting an even number on the first side
Answer: Probability is a branch of mathematics that deals with the occurrence of a random event. The probability formula is... View Article
Name the type of carbohydrate that can be digested by ruminants but not by a human. Give reason.
Cellulose is a type of carbohydrate that can be digested by ruminants and not by humans. Ruminants have a large... View Article
State similarities and difference between the laboratory thermometer and the clinical thermometer
Similarities of laboratory thermometer and clinical thermometer (i) Both thermometers consist of long narrow uniform glass tubes. (ii) Both have... View Article
If the copper sulfhate crystal is made up of copper sulphate sol. So will the crystalline ever melt?
Evaporation is used to separate a soluble solid from a liquid. For example, copper sulfate is soluble in water –... View Article
Find the greatest number of 6 digits which is a perfect square. Find the square root of this number
We have to find the Greatest 6 digit number which is a perfect square using the long division method. We... View Article
why do solids have a definite volume and under what conditions could quartz be converted into glass?
Solids have a definite volume and shape because particles in a solid vibrate around fixed locations. Glass is amorphous in... View Article
Who proposed the cell theory and explain the theory. Also, name the scientist who expanded this theory.
Who proposed Cell theory? Cell theory was expanded by Virchow in 1855 by suggesting that all cells arise from pre-existing... View Article
When we boil salt and water we get salt back so by doing the same process why we can’t get sugar back
The easiest way to separate a mixture of sugar and water is to use distillation. when you boil a mixture... View Article
If m times the mth term is equal to n times the nth term of an A.P. prove that (m+n)th term of A.P is zero
Let the first term of AP = a common difference = d We have to show that (m+n)th term is... View Article
Name the process that helps in the transfer of food substances in the body of multicellular organisms.
The four essential processes by which a multicellular organism is made: cell proliferation, cell specialization, cell interaction, and cell movement. Multicellular organisms take in food by eating.... View Article
If one zero of the polynomial (a2+9)x 2 + 13x + 6a is reciprocal of the other, find the value of a
Answer: Zeros of a polynomial can be defined as the points where the polynomial becomes zero as a whole. A... View Article
Sindhu is 40 years old and Smita is 20 years old. How many years ago was Sindhu three times as old as Smita?
Let she was 3times before x years, So, 40 – x = 3(20 – x) 40 – x = 60... View Article
Can the absolute refractive index of a medium with respect to another medium be less than unity? Give reason.
No. an absolute refractive index less than unity indicates that the speed of light in that medium is more than... View Article
Describe why the animals of colder regions and fishes of cold water have a thicker layer of subcutaneous fat.
Subcutaneous layers or adipose tissues are the fat depositing layers found just below the skin or between internal organs. They... View Article
How many tiles, square in the shape of side 16 cm, will be required to pave a rectangle of dimensions 6. 4m x 5m?
Area of floor = 6.4*5 = 32 m*m = 32*100*100 = 320000cm*cm area of square tile = side square 16*16... View Article
Divide Rs. 760among A, B, C such that A gets 5/6 of what B gets and the ratio between the shares of B and C is 3:4
Let amount of B = x then amount of A = 5x/6 and ratio of B/C=3/4 so, x/C = 3/4... View Article
Why rolling friction is less than sliding friction and Is really friction is not dependent on the contact area?
Answer: Friction is defined as the resistance offered by the surfaces that are in contact with each other when they... View Article
An object has moved trough a distance. Can it have zero displacements? if yes support your answer with an example
Yes, if the object has moved through a distance, it surely can have zero displacements. as displacement is a vector... View Article
