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How to solve physics numericals effectively

1 Comment / Tips and tricks / physicscatalyst

1) Draw a clear diagram showing all the systems and interaction between them.For mechanics problem,Free body diagram provide immense help in solving the problem. Problem will become easiar once it is drawn out.

2) In any problem of physics, some information is given and value of some variable is to be found. Jot down all the known quantities on one side and List all the unknown for which you are solving the problem on the other side

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Super Quick Maths Calculation Using vedic maths

2 Comments / Tips and tricks / physicscatalyst

Learning to perform fast mental mathscalculation will help you immensely irrespective of which field of life you deal with.Knowing these mental maths tricks will give you a positive edge over the others.Whether you are a student,aspiring engineer,statistician,scientist,school teacher or anyone else dealing with numbers,learning this quick mental tricks and techniques

(popularly known as Vedic Maths techniques) is always going to benefit you.

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Density examples from day to day life

Leave a Comment / Physics / physicscatalyst

Density of any substance is mass per unit volume. This concept is able to explain some phenomenan that occur around us. Learn about few density examples in this article. Density is a term that we use in our day to day life. The word density is not always used in a scientific sense the way

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Molarity Practice Worksheet

Leave a Comment / Chemistry / physicscatalyst

Question 1 Calculate the Molarity of the below solutions a.100 g NaCl dissolved in 1500 cm3 solution b..2 Moles of AgNO3 in 2 L of solution c.16 gm of CH3OH in 400 cm3 of solution Molar Mass of NaCL = 58.5 g/Moles Molar Mass of CH3 OH = 32 g/Moles Answer a.14 M b..1 M

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Weight Percent Formula | How to convert weight percent to mole fraction

1 Comment / Chemistry / physicscatalyst

In this post , we will be checking out what is weight percent or mass percent,what is Weight percent or mass percent formula, how to convert weight percent to mole fraction Weight percent or mass percent is defined as the weight of the solute in 100 gm of the solution $Weight \; percent= \frac {mass

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Thermal conductivity formula

Leave a Comment / Physics / physicscatalyst

This article is only about thermal conductivity formula and its usage in solving various problems. I have discussed thermal conductivity in detail while writing notes in a separate page. Use the link given below to get to know more about it. Thermal Conductivity The thermal conductivity of a solid is a measure of the ability

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Worksheet on Significant Figures

Leave a Comment / Chemistry / physicscatalyst

Significant Figures is an important concept to learn. We should know how to round off the numbers and find the significant figures or digits .Here is the Significant Figures worksheet to practice and master the concept of the significant figures Question 1 Find the significant figures in the below numbers a. 1065 b. .00008 c. 101.01

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Important trigonometry questions for class 11 Maths

Leave a Comment / Maths / physicscatalyst

Here are some good Important trigonometry questions for class 11 Maths 1.if $tan \theta = \frac {a}{b}$ , show that $\frac {a sin \theta – b cos \theta}{a sin \theta + b cos \theta}= \frac {a^2 – b^2}{a^2 + b^2}$ 2.Prove that $sec^4 x – sec^x = tan^4x + tan^2 x$ 3.Prove that $cosec x (

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