A Golf Ball Has A Mass Of 40 g and A Speed Of 45 M/s. If The Speed Can Be Measured Within Accuracy Of 2%, Calculate The Uncertainty In Position.

Calculate ionization energy of the hydrogen atom.

The ionisation energy of He⁺ is . Calculate the energy of first stationary state of Li²⁺.

The ionization energy of hydrogen in excited state is +0.85 eV. What will be the energy of the photon emitted when it returns to the ground state?

Calculate the wavelength associated with an electron

(mass 9.1 × 10^–31 kg) moving with a velocity of 10³ m sec^–1

(h = 6.6 × 10^–34 kg m² sec^–1)

What will be the wavelength of a ball of mass 0.1 kg moving with a velocity of 10 ms^–1?

Calculate the mass of a photon with wavelength 3.6 Å.

A microscope using suitable photons is employed to locate an electron in an atom within a distance of 0.1 Å. What is the uncertainty involved in the measurement of its velocity?  

Calculate the uncertainty in the velocity of a wagon of mass 3000 kg whose position is known to an accuracy of ±10 pm

(Planck’s constant = 6.63 × 10^–34 Js) 

Calculate the uncertainty in the position of an electron if the uncertainty in its velocity is 5.7 × 10⁵ m/sec (h = 6.6 × 10^–34 kg m² s^–1, mass of the electron = 9.1×10^–31 kg).

If an electron is moving with a velocity 600 ms^–1 which is accurate upto 0.005%, then calculate the uncertainty in its position. 

  (h = 6.63 × 10^–34 Js, mass of electron = 9.1 × 10^–31 kg)