Physics Questions And Answers :: De Broglie Waves: part1



Basic Science : De Broglie Waves QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

1.The de Broglie wavelength of an electron of kinetic energy 500 e V is

54.92 Å
0.5492 Å
5492 Å
5.492 Å

2.A magnetic lens can focus

sound waves
- rays
a beam of light
a beam of electrons

3.The de Broglie wavelength λ of an electron of mass ‘m’ and charge ‘e’ accelerated from rest by the application of a potential ‘V’ is given by

4.In an electron microscope, electrons are focused by means of

convex lens
concave mirror
liquid lens
magnetic lens

5.The de Broglie wavelength λ of a particle of mass ‘m’ moving with a velocity ‘v’ is

More De Broglie Waves QUESTIONS AND ANSWERS available in next pages

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