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NEETPhysicsWaves and Sound

A wave is transmitted from a denser to rarer medium. Then, match the following columns. ( array l|l Column I & Column II (A) Frequency of wave & (p) Will increase (B) Speed of wave & (q) Will decrease (C) Wavelength of wave & (r) Will remain unchanged (D) Amplitude of wave & (s) May increase or decrease array )

Options

  1. A(( A p , B p , C r , D s ) )
  2. B(( A s , B p , C q , D p ) )
  3. C(( A r , B q , C p , D s ) )
  4. D(( A r , B p , C q , D s ) )

Correct answer

B. (( A s , B p , C q , D p ) )

Step-by-step solution

Frequency is the property of source. It remains unchanged. In rarer medium, speed of wave is more. Since, ( gathered = v f or v A₁= ( 2 v₂ v₁+v₂ ) A_i v₂>v₁ A_i>A_i gathered )

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