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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.
Get an expression for the fringe width in the interference pattern due to Young's double slit.
Rutherford's alpha-scattering experiment recognized that the mass of atom is concentrated with small positively charged region at the centre which is known as 'nucleus'. Nuclei
Two elements A and B form compounds having molecular formulae AB 2 and AB 4 . dissolved in 2O g of benzene, 1 g of AB2 lower the freezing point by 2.3 K, whereas 1 g of AB4 lowers
Reflection law For a wavefront intersecting reflecting surface, the angle of incidence is equivalent to the angle of reflection, in the similar plane described by the ray of i
Illustrate ‘tan A ‘and ‘tan B' positions of a deflection magnetometer. Illustrate the theory to calculate magnetic moment of a bar magnet and Horizontal component of the earths
what is the physical signification of packing fraction in nuclear physics?
Q. What do you mean by Time Dilation? To an observer a moving clock always appears to run slower. The time interval between two events occurring at a given point in space in a
Ask questidefination and explanation of pesudo force on #Minimum 100 words accepted#
Two forces-55-N clockwise and 35-N counters clockwise-are applied to a merry- go-round with a diameter of 4.5 m. What is the net torque?
Q. Define: 1 amu One atomic mass unit is thinks as one twelfth of the mass of carbon atom 6 C 12 . 1 amu = 1.66 X 10 -27 kg. Q. Define: mass defect. The dissimi
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