Physics Chapter 8 Waves Mcqs Test Online Punjab 11th Class 

Please wait...

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• >>

 0%

Question 1 of 13

Physics

1. If the tension in the string is doubled and its mass per unit length is reduced to half. Then the speed of transverse wave on it is

Halved

Constant

One fourth

Doubled

Question 1 of 13

Question 2 of 13

2. A sound source is moving towards stationary listener with 1/10th of the speed of sound. The ration of apparent of real frequency is

[9/10]²

11/10

10/9

[11/10]²

Question 2 of 13

Question 3 of 13

3. Which one of the following factors has no effect on the speed of sound in gas?

Pressure

Humidity

Temperature

Density

Question 3 of 13

Question 4 of 13

4. When a transverse wave is reflected from the boundary of a denser to a rarer medium, it under goes a phase change of:

π/2

0

π

2π

Question 4 of 13

Question 5 of 13

5. Which one of the following could be the frequency of ultraviolet radiation?

1.0 x 10⁶Hz

1.0 x 10¹⁵Hz

1.0 x 10¹²Hz

1.0 x 10⁹Hz

Question 5 of 13

Question 6 of 13

6. Which of the following changes at an antinode in a stationary wave?

Pressure only

Neither density nor pressure

Both pressure and density

Density only

Question 6 of 13

Question 7 of 13

7. There is no net transfer of energy by particles of medium in.

Longitudinal wave

Stationary wave

Progressive wave

Transverse wave

Question 7 of 13

Question 8 of 13

8. When a stationary wave is formed then its frequency is:

Same as that of the individual waves

Half that of the individual waves

That of the individual waves

Twice that of the individual waves

Question 8 of 13

Question 9 of 13

9. A sounding source and a listener are both at rest relative to each other. If wind blows from the listener towards the source, then which one of the following of sound will change?

Both Frequency and Speed

Speed

Wavelength

Frequency

Question 9 of 13

Question 10 of 13

10. When a wave goes from one medium to another medium, which one of the following characteristics of the wave remains constant

Phase

Wave length

Velocity

Frequency

Question 10 of 13

Question 11 of 13

11. Which one of the following properties is not exhibited by the longitudinal waves?

Reflection

Interference

Diffraction

Polarization

Question 11 of 13

Question 12 of 13

12. A water wave move in two dimensions from the source point and at a far distance the curvature of the wave front becomes plane. As the wave proceeds the energy carried by the wave:

Increases

Remains constant

It needs some more information

Decreases

Question 12 of 13

Question 13 of 13

13. When sound waves travel from air to water which of these remain constant?

Frequency

All the above

Velocity

Wavelength

Question 13 of 13

 Loading...

 

Other Related test

• Punjab 12th Class English Using the Scientific method Chapter 2 MCQs Test Online
• Punjab 9th Class English Model Paper 6 MCQs Test Online
• Punjab 11th Class Biology Chapter 2 Biological Molecules Mcqs Test Online
• Punjab 12th Class Biology Chapter 23 Biotechnology Mcqs Test Online
• Punjab 11th Class Biology Chapter 4 The Cell Mcqs Test Online
• Punjab 11th Class Math Chapter 14 Solutions of Trigonometric Equations Mcqs Test Online
• Punjab 9th Class Computer Model Paper 9 MCQs Test Online
• Punjab 10th Class English Chapter 5 The Rain Mcqs Test Online
• Punjab 12th Class Urdu Taier-e-La Hooti Mcqs Test Online
• Punjab 12th Class Math Chapter 5 Linear Inequalities and Linear Programming Mcqs Test Online