" 3.What is beam? "

What is a beam of light?

What happens when a beam of sunlight is passed through a glass prism ? What is spectrum ?

An electron experiment was performed with a beam of electron accelerated by a potential difference of 10.0 k eV .What is the wavelength of the electron beam

An electron experiment was performed with a beam of electron accelerated by a potentail difference of 10.0 k eV .What is the wavelength of the electron beam

A neutron beam of energy of energy E scatters from atoms on a surface with a spacing d=0.1 nm.The first maximum of intensity in the reflected beam occurs at theta=30^(@) .What is the kinetic energy E of the beam in eV?

A neutron beam of energy E scatters from atoms on a surface with a spacing d=0.1nm. The first maximum of intensity in the reflected beam occurs at theta=30^(@) . What is the kinetic energy of E of the beam in eV?