Multiple Choice
Diffraction of slow moving electrons is used to estimate
A) arrangement of atoms in metals
B) nature of atoms
C) number of atoms in metals
D) position of atoms in metalloids
Correct Answer:
Verified
Correct Answer:
Verified
Q10: Wave speed is directly proportional to<br>A)frequency<br>B)amplitude<br>C)wavelength<br>D)energy
Q11: High speed electrons from particle detectors are
Q12: Wavelength of a 65 kg person running
Q13: Number of oscillations per unit time is
Q14: Waves associated with electrons are referred to
Q16: Frequency and time period are<br>A)directly related<br>B)not related<br>C)inversely
Q17: Longitudinal waves gives rise to<br>A)amplitude<br>B)frequency<br>C)wavelength<br>D)high and low
Q18: Unification of electromagnetic and weak nuclear forces
Q19: Loss of energy of an electron results
Q20: Frequency below which no electrons are emitted