M Dash Foundation: C Cube Learning

Category: Education

  • Homework questions of Physics for Junior college (PUC, ISc, XII, CBSE, ICSE)

    Question 3 Deuteron is a bound state of a neutron (n) and a proton (p) with a binding energy BE = 2.2 MeV. A g-ray of energy E is aimed at a deuteron nucleus to try to break it into a neutron and proton so that n and p move in direction of incident g…

  • Class XII, ICSE exam questions, Physics, Updated Version 2

    Question 6 [2+3+2] Obtain an expression for the Nuclear Size of an atom by solving for distance of closest approach (r) which is also known as Impact Parameter (say l). Use an incoming alpha-particle of mass mα and charge q that’s deflected by the presence of a nucleus of atomic number Z to obtain l.…

  • Class XII, CBSE exam questions, Physics

    Electrostatics 6. State how density of electric lines of force is related to the Electric Field Vector intensity E. Also mention another three properties of the lines of forces. 7. Write the vector expression for Coulomb’s law and state 3 forces that are conservative forces by nature. 8. What happens to the charge on a…

  • The 1 ppm mentality of India in education.

    This article talks about some educational paradigms of India but gives the following anecdote to the end. Belated Happy Feynman Birthday. 11/may/2013. He was born this day in the year 1918. 8 years younger to my maternal grand father. Which is why I am always amazed by Feynman. My grand pa was a farmer in…

  • The approach to unify Language.

    The thought of Sun theory of language is “äny word is an alphabet.” Therefore there are infinite number of languages and infinite number of rules of language and infinite number of alphabet. Therefore humanity has only learned to produce new alphabets, and a word is the way to do it. If I say damn, it…