Light interacts with matter as
A) wave
B) particle
C) both A and B
D) rays
Correct Answer:
Verified
Q5: Characteristic properties of waves are
A)reflection
B)refraction
C)interference
D)all of above
Q6: Plank's constant has units {{}}
A)J
B)s
C)J s-1
D)J s
Q7: Gas atoms that exert negligible electrical forces
Q8: Quantum of electromagnetic energy is called
A)particles
B)photons
C)waves
D)energy
Q9: In photoelectric effect, electrons should be removed
Q11: When white light is passed through cool
Q12: Wavelength of ultraviolet region of electromagnetic spectrum
Q13: In an insulator, the valence band is
A)fully
Q14: Number of protons in an atom determine
A)chemical
Q15: In β+ decay, an UP quark becomes
A)a
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