Physics
Displacement distance graph of two sound waves A and B, travelling in a medium, are as shown in the diagram below.
Study the two sound waves and compare their:
(i) Amplitudes
(ii) Wavelengths
Related Questions
The following diagram shows a 60°, 30°, 90° glass prism of critical angle 42°. Copy the diagram and complete the path of incident ray AB emerging out of the prism marking the angle of incidence on each surface.
(i) What do you understand by the term nuclear fusion?
(ii) Nuclear power plants use the nuclear fission reaction to produce electricity. What is the advantage of producing electricity by fusion reaction?
(i) Define scattering.
(ii) The smoke from a fire looks white.
Which of the following statements is true?
- Molecules of the smoke are bigger than the wavelength of light.
- Molecules of the smoke are smaller than the wavelength of light.
You have three resistors of values 2 Ω, 3 Ω and 5 Ω. How will you join them so that the total resistance is more than 7 Ω?
(i) Draw a diagram for the arrangement.
(ii) Calculate the equivalent resistance.