Multiple Choice
Frequency below which no electrons are emitted from metal surface is
A) minimum frequency
B) angular frequency
C) maximum frequency
D) threshold frequency
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
Q15: Diffraction of slow moving electrons is used
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