Work and energy, a person holds of hay over his head for 30 min and gets ti...

a person holds of hay over his head for 30 min and gets tired . has he done some wirk or not? justify your answer

Determine the grating element, A diffraction grating used at normal inciden...

A diffraction grating used at normal incidence provides a spectral line of certain order with wavelength 6000A 0 superimpose on another spectral line of wave length 5000A 0 of th

What is the name of this phenomenon, The index of refraction of a particula...

The index of refraction of a particular medium is nearly the same for all wavelengths hence we often associate a single value the average value of the index of refraction to the me

Forces and nature,

Quantum phy, group velocity and phase velocity

group velocity and phase velocity

Shear force, The shear force of a cantilever beam of length L carrying a un...

The shear force of a cantilever beam of length L carrying a uniformaly distributed load W Per unit length is how much at fixed end

Quantom theory, defination of quantom theory

defination of quantom theory

Atomicn structure, what is the success and failure of bohrs model

what is the success and failure of bohrs model

Magnetic monopole, Magnetic monopole A hypothetical particle that sink...

Magnetic monopole A hypothetical particle that sinks of the magnetic field & constitutes sources. Magnetic monopoles have never been determined, but would cause fairly minor m

Determine the real position of an air bubble, Determine the real position o...

Determine the real position of an air bubble in a glass cube of side 0.3m if the bubble seems to be at a distance of 0.05 m from one face and at 0.15m from the opposite face.