Energy of an electron in an atom is
A) quantized
B) continuous
C) radial
D) randomized
Correct Answer:
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Q1: When a charged particle is accelerated through
Q3: In dark, LDR has
A)low resistance
B)high current
C)high resistance
D)both
Q4: Electrons show diffraction effects because their de
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
Q10: Light interacts with matter as
A)wave
B)particle
C)both A and
Q11: When white light is passed through cool
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