Question

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Q1- constructive interference happens when 2 waves are:
Q2- two waves of phase difference 180 degree have resultant of amplitude:
Q3- Extra distance travelled by one of the waves compared with other is called:
Q4- An electron can never be founded inside nucleus , this statement is according to:
Q5- Principle of Laser is:

Answer 1

Answer:

1. when the maxima of two waves add together
2. When the two waves are in-phase (ϕ=0), they interfere constructively and the result has twice the amplitude of the individual waves. When the two waves have opposite-phase (ϕ=180), they interfere destructively and cancel each other out. ... When the two individual waves are exactly in phase the result is large amplitude.
3. Extra distance travelled by one of waves compared with other is called. A. path.
4. The uncertainty principle is said to forbid the existence of electrons in the nucleus as its constituents. They are formed just prior to or during beta decay.
5. A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.

Explanation:

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