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Cosmological redshift
An effect where light emitted through a distant source seems redshifted due to the expansion of spacetime itself.
Length contraction (relativity of length) is the length of a body moving with a relativistic velocity v = c relative to an observer is contracted by a factor in the direction of m
How are appliances we use in the domestic circuit interlinked? What are the benefits of this connection?
The magnitude of a charge, q, is to be determined by transferring the charge equally to two pith balls. Each of the pith balls has a mass of m, and is suspended by an insulating th
Coulomb: Coulomb is the fundamental unit of charge. It is explained as the charge required to obtain 9?109 newton of force among two equal charges separated at a distance of one m
the factors which decide the broad area of scientific activity ?
Q. A light of wavelength 58900A falls normally on a thin air film, 6 dark fringes are seen between two points. Calculate the thickness of the film. 2μt = nλ Thickness of th
The minimum real charge on any particle which can exist is: (1)1.6x 10 -19 coulomb (2) 1.6x 10 -10 coulomb (3)4.8 x 10 -10 coulomb (4)Zero Ans: (1)1.6x 10 -19 c
Draw the graph showing the variation of binding energy per nucleon with mass number. Give the reason for the decline of binding energy per nucleon for nuclei with high mass numbers
Determine the enthalpy of vaporizaton of species: You wish to determine the enthalpy of vaporizaton of species A. You are able to find the following data: Species A has a norm
Thermoelectric refrigerator : The working of thermoelectric refrigerator is totally based on Peltier effect. Thermoelectric generator : Thermocouple can be used to obtain ele
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