MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A sinusoidal wave has an amplitude of 3cm. Time period is 1s. The wavelength is 1cm. And at x = 0, t=0 the particle is at its mean position & moving upwards. What is the equation of the wave if it is travelling along the positive x-axis? |
| A. | y = 3sin(2πx – 2πt) |
| B. | y = 3sin(2πt – 2πx) |
| C. | x = 3sin(2πt – 2πy) |
| D. | y = 3cos(π + 2πt – 2πx) |
| Answer» C. x = 3sin(2πt – 2πy) | |
| 2. |
A sinusoidal wave has an amplitude of 2cm. It is travelling in the negative x-direction. The distance between two crests is 2cm. The angular frequency is πs-1. What is the displacement of the particle at x = 20.5cm, at t = 10s? Assume that at t=0 & x=0 the particle was at the mean position and going downwards. ‘x’ &’y’ are in cm. |
| A. | 0cm |
| B. | 1cm |
| C. | -1cm |
| D. | -2cm |
| Answer» E. | |
| 3. |
An equation of a wave is given by: y = 2sin(3x-2t+π/2). What is the minimum distance between two points having the same phase? |
| A. | 3 |
| B. | π/2 |
| C. | 2π/3 |
| D. | π |
| Answer» D. π | |