Class 11

17. Waves question bank (Physics)

Practice 351 free Class 11 Physics - 17. Waves questions with answers and step-by-step solutions.

Q1.

Three successive resonance frequencies in an organ pipe are 1310, 1834 and 2358 Hz. Velocity of sound in air is 340 m/s, then match the items given in Column-I with that in Column-II.

(A)
(A) → (R), (B) → (P), (C) → (S), (D) → (Q)
(B)
(A) → (Q), (B) → (R), (C) → (P), (D) → (S)
(C)
(A) → (P), (B) → (Q), (C) → (R), (D) → (S)
(D)
(A) → (P), (B) → (Q), (C) → (S), (D) → (R)
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Q2.

In each of the four situations of column-I a stretched string or an organ pipe is given along with the required data. In case of strings the tension in string is \( T = 102.4 \,\text{N} \) and the mass per unit length of string is \( 1 \,\text{g/m} \). Speed of sound in air is \( 320 \,\text{m/s} \). Neglect end corrections. The frequencies of resonance are given in column-II. Match each situation in column-I with the possible resonance frequencies given in column-II.

 

(A)
(A) → (P), (B) → (R), (C) → (Q)
(B)
(A) → (P), (B) → (Q), (C) → (R)
(C)
(A) → (R), (B) → (P), (C) → (Q)
(D)
(A) → (R), (B) → (Q), (C) → (P)
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