Lakshya Education MCQs

Question: The Laser is a beam of radiations which are
A.Non-coherent and monochromatic
B.Coherent and monochromatic
C.Non-coherent and non-monochromatic
D.Coherent and non-monochromatic
Answer: Option B

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More Questions on This Topic :

Question 1. In quantum mechanics a particle is represented by a
  1.    Wave
  2.    Wave packet
  3.    Particle
  4.    None of the above
Answer: Option B
Question 2. The p wave of a normal Electrocardiogram indicates
  1.    Atrial depolarization
  2.    Ventricular repolarization
  3.    Atrial repolarization
  4.    Ventricular depolarization
Answer: Option A
Question 3. Which of the following phenomenon helps to conclude that light is a transverse wave?
  1.    Interference
  2.    Diffraction
  3.    Polarisation
  4.    Refraction
Answer: Option C
Question 4. In a Laser (say neon laser) all the atoms emit the light waves of
  1.    Same frequency
  2.    Same amplitude
  3.    Same phase
  4.    All of the above
Answer: Option D
Question 5. Universal gates are
  1.    AND and OR
  2.    OR and NOT
  3.    NAND and NOR
  4.    AND and XOR
Answer: Option C
Question 6. Which one among the following components can not be developed within an ''integrated circuit"?
  1.    Diode
  2.    Triode
  3.    Transformer
  4.    Transistor
Answer: Option C

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