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NEET
Exam
NEET
Subject
Physics
Chapter
Waves and Sound

NEET · Physics · Waves and Sound

Consider the following statements about stationary waves A. The...

Consider the following statements about stationary waves A. The distance between two adjacent nodes or antinodes is equal to λ2(λ=\frac{\lambda}{2}(\lambda= wavelength of the wave )) B. A pressure node is always formed at the open end of the open organ pipe. choose the correct option from the following

Options

  1. AOnly the statement A\mathrm{A} is true
  2. BOnly the statement B is true
  3. CBoth statements A and B are true
  4. DBoth statements A and B are wrong

Correct answer

C. Both statements A and B are true

Step-by-step solution

A: Fresnel’s diffraction → occurs when source/screen are at finite distance ✅ (True). B: Diffraction was used to estimate helical structure of nucleic acids (DNA, X-ray diffraction by Rosalind Franklin) ✅ (True). So, both A and B are true. ✅ Correct Answer: (1) A and B are true
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