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Hubble's law (E.P. Hubble; 1925):
A relationship discovered among distance & radial velocity. Further away a galaxy is away from is, the quicker it is receding away from us. The constant of proportionality is Hubble constant, H0. The cause is interpreted such as the expansion of spacetime itself.
Why is it that the frequency of light remains the constant as it undergoes refraction at the interface of two material mediums? Ans) If frequencies are dissimilar in different m
State the importance of emission and absorption spectra. Derive the mathematical expression for refractive index of material of the prism.
Description about mauls law
What is meant by the term 'modulation'? Define with the help of a block diagram, how the process of modulation is carried out in radio broadcasts.
Why does the charge on the outer surface of a parallel plate capacitor doesn't change when it is connected by a battery. only inner surface charge gets affected. Why??
Hello, I''d like to ask, why do objects, that fall from higher heights hit stronger that those, falling from smaller heights, if force equals mass times acceleration, and yet accel
why the least distance of distinct vision is 25 %
A typical brick has dimensions of 20.0 cm x 10.0 cm x 5.0 cm and weighs 20.0 N. How does the pressure exerted by a typical brick when it is resting on its smallest side compa
Different methods of charging a battery: There are two general methods are employed for charging are:- A) constant current system and B) constant voltage system..
A thin layer of an incompressible fluid flows steadily over a horizontal smooth plate as shown in the figure. The fluid surface is open to the atmosphere, and an obstruction having
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