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An electron travels at a speed of 2.0 x 10^6 m/s in a magnetic field of 0.5 T. Calculate the force experienced by the electron. (Given: Charge of an electron = -1.6 x 10^-19 C)

Calculate the energy of an electron in the n=3 energy level of a hydrogen atom. (Given: Ionization energy of hydrogen = 13.6 eV)

What are the applications of electron microscopy in various scientific disciplines?

Explain the principles of reflection and refraction of light and provide examples.

Describe the process of wave interference and provide examples of constructive and destructive interference

Define work in terms of physics and explain its relationship with energy.

State Newton's first law of motion and provide an example.