class 11 physics notes Chapter 8 Waves mcqs shorts & Longs

class 11 physics notes Chapter 8 Waves mcqs short qs & long qs preview or download. These important Class 11 Physics notes containing mcqs, short and long questions are collected by going through different past papers of all Punjab Board Pakistan.

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These Questions are taken from past papers of Class 11 physics. These questions are top repeated of in previous papers of Physics Class 11 of all Punjab boards as;

      Bahawalpur Board

      D.G.Khan Board

      Faisalabad Board

      Gujranwala Board

      Lahore Board

      Multan Board

      Rawalpindi Board

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About This Chapter

class 11 physics notes Chapter 8 Waves enables the students to learn Progressive Waves and Periodic Waves. Students learn about Speed of Sound in Air. Students learn Principle of Superposition, Interference, Beats, Reflection of waves and stationary waves. Students learn Stationary Waves in a Stretched String and Stationary Waves in Air Columns. Students learn about Doppler Effect.  This Post "class 11 physics notes Chapter 8 Waves mcqs short qs & long qs" covers all important mcqs, short and long questions related to important  topics of this chapter.

👉Imp MCQs - Physics Class 11 CH # 8

1. The distance between two consecutive crests:

(A) Wavelength

(B) Wave number

(C) Frequency

(D) Vibration

(A) Wavelength

2. The product of time and frequency is :

(A) 0

(B) 1

(C) 2

(D) 3

(B) 1

3. Sound waves are the examples of    

(A) Longitudinal waves

(B) Transverse waves

(C) Electromagnetic waves

(D) All of above

(A) Longitudinal waves

4. Speed of sound in air is greater in solids due to their
    

(A) Density

(B) Pressure

(C) Velocity

(D) Elasticity

(A) Density

5. When temperature increase the speed of sound 

(A) Becomes zero

(B) Remains constant

(C) Increases

(D) Decreases

(D) Decreases

6. The velocity of sound in vacuum is ?

(A) 332 m/s

(B) 280 m/s

(C) 232 m/s

(D) 0 m/s

(D) 0 m/s

7. Laplace's expression for speed of sound in air is:

(A) v =√(𝑃/𝜌)    

(B) v= √(𝛾𝑃/𝜌) 

(C) v= (𝛾𝑃/𝜌) 

(D) v=(𝑃/𝜌)

(B) v= √(𝛾𝑃/𝜌)

8. The periodic increase and decrease in loudness of sound is called 

(A) Beats

(B) Resonance

(C) Interference

(D) None of these

(A) Beats

9. Basic principal of beat is:

(A) Diffraction

(B) Reflection

(C) Refraction

(D) Interference

(D) Interference

10. The distance between node and antinode is :

(A) 𝜆 /2 

(B) 𝜆

(C) 𝜆/4

(D) 𝜆/3

(C) 𝜆/4

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ext, there is  PDF containing Physics class 11 chapter 8 Waves important Short and Long Questions covers all important topics of this chapter.