Multiple Choice
In photoelectric effect, electrons should be removed from the
A) inner shells
B) surface
C) from core
D) the nucleus
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Characteristic properties of waves are<br>A)reflection<br>B)refraction<br>C)interference<br>D)all of above
Q3: Gas atoms that exert negligible electrical forces
Q4: Neutrinos have electric charge of<br>A)zero<br>B)1<br>C)2<br>D)3
Q5: β-radiations are simply {{}}<br>A)protons<br>B)neutrons<br>C)electrons<br>D)muons
Q6: Most of the space in an atom
Q8: In β+ decay, an UP quark becomes<br>A)a
Q9: Light interacts with matter as<br>A)wave<br>B)particle<br>C)both A and
Q10: When white light is passed through cool
Q11: Number of protons in an atom determine<br>A)chemical
Q12: Wavelength of ultraviolet region of electromagnetic spectrum