TALEEM

  Q.1: Explain how you would test whether the radiation from a radioactive source is α, β or Gamma radiation? Ans: When radiations are allo...

Chapter – 19 Q.1: How many neutrons and protons do the following nuclei contain? Nuclide Protons Neutrons 13 27 A l ^{27}_{13}Al 13 27 ​ A l...

Q.1: The Bohr’s theory of hydrogen atom is based upon several assumptions. Do any of these assumptions contradict classical physics? Ans: ...

   ADVENT OF MODERN PHYSICS Chapter - 17 Q.1: What do you understand by a frame of reference? What is the difference between inertial frame ...

Chapter - 16 Q.1: Under what circumstances does a charge radiate electromagnetic waves? Ans: A charge radiates electromagnetic (e.m.) waves...

Chapter - 15 Q.1: What is the function of the concave pole pieces and the coaxial soft iron cylinder in the moving coil galvanometer? Ans: ...

Chapter – 14 Q.1: What is flux density and how is it related to the number of lines of induction expressed in Webers? Ans: Magnetic flux de...

Chapter – 13 Q.1: Electrons leave a dry cell and flow through a lamp back to the cell. Which terminal the positive or negative is the one fr...

Chapter – 12 Q.1: Repulsion is the sure test of electrification. Explain? Ans: Electrostatic attraction is observed between oppositely char...

Questions Answer (Q/A) Chapter - 11 Q.1: How do you distinguish between temperature and heat? Give example? Ans: Heat is the energy flowing...