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
Q8: Wave speed is directly proportional to
A)frequency
B)amplitude
C)wavelength
D)energy
Q9: Longitudinal waves gives rise to
A)amplitude
B)frequency
C)wavelength
D)high and low
Q10: Ranges of waves which overlap are
A)x-rays and
Q11: High speed electrons from particle detectors are
Q12: Waves associated with electrons are referred to
Q14: Loss of energy of an electron results
Q15: Wavelength of a 65 kg person running
Q16: According to Newton, the light travels as
A)particles
B)waves
C)both
Q17: In electron diffraction, the rings behave as
A)particles
B)waves
C)both
Q18: Energy absorbed by electron is used in
A)escaping
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