Electrons show diffraction effects because their de Broglie wavelength is similar to
A) spacing between atomic layers
B) no. of atomic layers
C) nature of atomic layers
D) positioning of atomic layers
Correct Answer:
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Q1: When a charged particle is accelerated through
Q2: Energy of an electron in an atom
Q3: In dark, LDR has
A)low resistance
B)high current
C)high resistance
D)both
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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