Multiple Choice
Planck's constant is h = 6.6 × 10-34 Js and the electron mass is 9.1 × 10-31 kg. The de Broglie wavelength of an electron whose speed is 108 m/s is
A) 5.9 × 10-56 m.
B) 1.5 × 10-19 m.
C) 7.3 × 10-12 m.
D) 1.4 × 1011 m.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q8: Which of the following cannot be explained
Q9: A proton and an electron have the
Q10: The number of values the spin magnetic
Q11: The sun's spectrum consists of a bright
Q12: A beam of light whose waves are
Q14: If Planck's constant were smaller than it
Q15: The energy difference between adjacent energy levels
Q16: An increase in the voltage applied to
Q17: In an emission spectral series, the<br>A) lines
Q18: In order to increase the rate at