What is meant by mole?
Mole is a unit in chemistry. A mole of a substance is referred the mass of substance containing the same... View Article
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Write the difference between 6c12and and 6c13. How are there placed in Modern period table? Justify
The species which contain same number of protons but different number of neutrons are called isotopes. Every chemical element has... View Article
If sec theta is= 5/4 then write the value of cos theta
Given that: secθ= 5 / 4 We need to find the value of cosθ According to trignometric reciprocal fromula we... View Article
What happens when earth loses it’s gravity it is centripetal or centrifual force?
A force that attracts a body towards the center of the earth, or towards any other physical body having mass... View Article
Solve: 1 + tan2A/1 + cot2A = [1 – tanA/1 – cotA]2 = tan2A.
Given that: 1+ tan² A/1+ cot²A = [1 – tanA/1- cotA]² = tan²A We will first solve the equation on... View Article
Why does the defective part of the metal block not allow the ultrasound to pass through it?
Defects in metal blocks do not allow ultrasound to pass through them and they are reflected back. This fact is... View Article
Why the motion of a simple pendulum considered simple harmonic even though it does not occur in a straight line?
When a particle moves to and fro about a fixed point (called equilibrium position) along with a straight line then... View Article
What is the the main role of genetic material?
The main role of genetic material are as follows: control the functions of DNA and RNA. Helps in the development... View Article
Graphite is anisotropic with respect to conduction of electric current. Explain
The graphite is a hexagonal crystal, that is carbon atoms in it are arranged in layers parallel to the plane.... View Article
Why angle of incidence of a ray is always equal to angle of reflection ?
The law of reflection states that the principle when the light rays fall on the smooth surface, the angle of... View Article
The sum of 2 digit number and the number obtained by reversing the order of the digit is 165. If the digit differ by 3, find the number , when ten’s digit is bigger than the unit ‘s digit.
Given that: Sum of 2 digit number and number obtained by reversing is = 165 The digits differ by 3... View Article
Difference between healthy and deases free person
Healthy: It is a state of complete physical, mental, and social well being. It depends upon the individual as well... View Article
What is the function of centrioles?
Answer: The centriole is an organelle in an animal cell. These are tube-like structures and made of tubulin protein and... View Article
Define sucrose?
Sucrose is a complex molecule consisting of two monosaccchrides. In common language it is called as table sugar or cane... View Article
The difference between integers x and -6 is -5 . Find the value of x
Given that , The difference between integers x and -6 is -5 So the equation becomes x -(-6)=-5 ———(i) (... View Article
A, B ,C, D, and E went to a restaurant. A paid 1/2 of the bill, B paid 1/5 of the bill and rest of the bill was shared equally by C, D, AND E .What fraction of the was paid by each?
Given that A, B ,C, D and E went to a restaurant and paid the bill together. A paid =... View Article
Find area of rhombus side is 5 cm and altitude is 4.8 if one diagonal is 8 cm find length of other diagonal
Given that, side =5 cm altitude = 4.8 one diagonal (d1)= 8 cm We know that Area of a rhombus... View Article
The sum of two numbers is 405 and the ratio between the numbers are 8:7. Find the numbers.
Given that The sum of two numbers is 405 They are in the ratio 8:7 Let the two numbers be... View Article
Write a short note on glycolysis
Glycolysis is a metabolic pathway that forms the base for both aerobic and anaerobic respiration. In this process glucose is... View Article
Explain the mechanism of opening and closing of stomata
Answer: Stomata is one of the critical parts of gaseous exchange. The surface of the leaves is full of thousands... View Article
