What are secondary cells, Q. What are secondary cells? Give an example? ...

Q. What are secondary cells? Give an example? i) They are rechargeable. ii) The chemical reactions which take place in secondary cells are reversible. iii) The active mat

Michelson interferometer diagram,

What is the magnetic pole at the end of the paper clip, A magnet is used to...

A magnet is used to collect some spilled paper clips. What is the magnetic pole at the end of the paper clip that is indicated in the figure

Explain about the term step index fibre, Explain about the term step index ...

Explain about the term step index fibre. Step index fibre: Into a step index fibre, the refractive index keeps constant throughout the core and decreases at the core-claddin

How thickness of depletion layer in a p-n junction changes, Explain, with t...

Explain, with the help of a circuit diagram, how the thickness of depletion layer in a p-n junction diode alters when it is forward biased. In the following circuits which one of t

Calculate the entropy change - ideal gas, 1. Calculate the entropy change w...

1. Calculate the entropy change when 1 kmol of an ideal gas at 300 K and 10 bar expands to a pressure of 1 bar if the temperature stays constant. 2. What is the change in entrop

rigid bodies through finite angles not a vector, Why rotation of rigid bod...

Why rotation of rigid bodies through finite angles not a vector?  Ans) Because it does not obey one of the laws of vector algebra(law of commutativity).

Find the de broglie wavelength, Q. An electron beam is accelerated through ...

Q. An electron beam is accelerated through a potential difference of 104 volt. Find the de Broglie wavelength. λ = 12.27 A o / √V λ = 12.27 A o / √10 4    = 0.1227

What do you understand by absorption coefficient, What do you understand by...

What do you understand by "Absorption coefficient"? which is a better absorber of sound, glass or fibre glass?

Ergosphere, Ergosphere The region about a rotating black hole, among t...

Ergosphere The region about a rotating black hole, among the event horizon & the static limit, where rotational energy can be extracted through black hole.