Multiple Choice
If a monochromatic light beam with quantum energy value of 1.6 eV incident upon a photocell where the work function of the target metal is 0.9 eV,what is the maximum kinetic energy of ejected electrons?
A) 2.5 eV
B) 1.8 eV
C) 0.7 eV
D) 3.2 eV
E) 1.3 eV
Correct Answer:

Verified
Correct Answer:
Verified
Q14: What potential difference is needed to accelerate
Q15: Which of the following devices represent(s)a practical
Q16: Star A has the peak of its
Q17: An ultraviolet light beam having a wavelength
Q18: X-ray production occurs in which process?<br>A)photons hitting
Q20: According to Einstein,increasing the brightness of a
Q21: As the temperature of a radiation emitting
Q22: Sources of red,blue,and yellow light each emit
Q23: The Heisenberg uncertainty principle places restriction on
Q24: A photon absorbed by an electron will