Which of the following is not an essential condition for
interference
(a) The two interfering waves must be propagated in almost
the same direction or
the two interfering waves must intersect at a very small
angle
(b) The waves must have the same time period and wavelength
(c) Amplitude of the two waves should be the same
(d) The interfering beams of light must originate from the
same source.
Answers were Sorted based on User's Feedback
Answer / happyguy
For interference it is not essential that Amplitude of the
two waves should be the same. Other conditions arre
essential.
So ans is (c).
| Is This Answer Correct ? | 9 Yes | 4 No |
Answer / your well wisher
(a) because waves must have same wavelength , amplitude must be equal or approximately equal and they must originate from a single source.
| Is This Answer Correct ? | 0 Yes | 0 No |
NLO : RPS : : ? : ZXA
Define perl and clustalW problem?
Draw the E-R diagram for the database of a departmental store having the following relational database scheme Employees(e-no, address) Department(d-name) work-n(e-no, d-name) Looking-after(d-name, e-no) Item (item-no, brand-name, model-no, cost-price, sale-price)
Integrate 3x + 5 / (x3-x2-x+1)?
What two possibilities are there to describe how gene fragments may have evolved?
What is the product of the irrational roots of the equation (2x-1)(2x-3)(2x-5)(2x-7)=9?
Will the plant able to produce electricity when the soil is dried up
What is PPAR gamma pathway?
what is the Reaction intermediate in Reimer-Tiemann?s reaction?
Explain about needleman-wunsch algorithm?
what is the principle involved in Biometry?
Some forms are books. All books are made of paper (a) Some forms are made of paper (b) Some forms are not made of paper (c) No forms are made of paper (d) None of the above.