The voltage applied across the cathode and anode of an X-ray generating machine is 50,000 V. Determine the shortest wavelength of the X-ray emitted. Given `h=6.62xx10^-34` js.

The voltage applied across the cathode and anode of an X-ray generating machine is 50000V. Determine the shortest wavelength of the X-ray emitted. Given h=6.62xx10^(-34)J*s .

How many photons will a source of power 50W produce per second? The wavelength of an emitted photon is 6000 Å . Given , h = 6.62xx10^(-34)J.s

The de Broglie wavelength associated with a moving particle changes from 0.2Å to 0.4Å . Determine the change in momentum of the particle. (h = 6.63xx10^(-34) J.s) .

If the mass of neutron is 1.7xx10^(-27) kg , then the de Broglie wavelength of neutron of energy 3eV is (h = 6.6xx10^(-34) J.s)

The velocity of a proton is 10^3 ms^-1 and mass of it is 1.67 xx10^(-27) kg , determine the Wavelength of that proton particle in nanometer unit (h = 6.63 xx 10^(-34) Js)

A body of mass 60g is moving with a velocity of 10 m.s^(-1) . The de Broglie wavelength of the body will be approximately (h = 6.63 xx 10^(-34)J.s)

Among the photoelectrons, emitted due to incidence of light of frequency f on a metal surface , only the electrons having the highest kinetic energy can ionise a hydrogen atom. If this experment is performed with light of frequency 5/6f , the photoelectron having the highest kinetic energy can excite a hydrogen atom and from this excited hydrogen atom a photon of wavelength 1215 Å is emitted . Determine the (ii) value of f. Given h=6.625 xx10^(-34)*s,c=3xx10^(8)*s^(-1), 1 eV=1.6 xx10^(-19)J , ionisation energy of hydrogen =13.62 eV.

Calculate the minimum wavelength of x-ray produced by on X-ray tube operating at 30KV [h = 6.6 xx 10^-34Js] .

What is the mass of a photon of sodium light with a wavelength of 5890 Å? [h = 6.626 xx 10^(-34) Js]

In a microwave over the electromagnetic waves are generated having wavelength of the order of 1 cm. Find the energy of the microwave photon. (h = 6.33 xx 10^(-34) J.s) .