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Radius of gyration may be explained as the distance from the axis at which, if the entire mass of the object were to be concentrated, the moment of inertia would be the same about the given axis as with its real distribution of mass.
Let Consider a rigid object consists of n particles of every of the mass m. Let r1, r2, ...... rn be the perpendicular distances of these elements from the axis of motion. Then
Thus, radius of gyration of an object about an axis is similar to the root mean square distance of the constituent particles from the given axis.
Total Internal Reflection: When a ray of light passes from denser medium to rare medium and angle of incidence is greater than the critical angle. The incident ray reflects ba
the maximum height attained by a projectile and its horizontal range are equal to each other if the projectile projected at an angle [theta] given by ?
what is scanning & transmission electron microscope
An α particle is a positively charged particle. Rutherford observed the behaviour of these particles when they approach the interior of the atoms as shown in fig. Rutherford ob
Watt; W (after J. Watt, 1736-1819): The derived SI unit of power, explained as a power of 1 J acting onto a period of 1 s; thus it has units of J/s.
Short- distance radiotherapy or brachytherapy: The advantage: it gives a very large dose to the tumor with a minimum radiation to the surrounding normal tissue. Disadva
Discuss about the Single-mode fibre in short. Single-mode fibre: A single-mode fibre consists of a narrow core (8 to 10µm) and refractive index in between the core and cladd
Q . Figure shows across (b)What is the answer if there is no outer covering of the pipe? Answer Reflection, r max = 90 0 -i=90 0 -59 0 =310 Let, i max b
Characteristics of resistance:- Similar amount of current passed by each resistance i.e. I = I1 = I2 = I3 = I4 ........ The sum of potential difference across individual res
Moment of Inertia of Rigid Bodies : For a continuous mass distribution like found in a hard object, we remove the summation of Eq. (ii) by an integral. If the object is separated i
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