The equation of y=A ^ 2 [2 n t-2 x ] represents a wave with:
Physics · JEE Main · NTA Exams — Oscillations and Waves
The equation of \(y=A \cos ^{2}\left[2 \pi n t-2 \pi \frac{x}{\lambda}\right]\) represents a wave with:
- Amplitude A/2, frequency 2n and wavelength λ
- amplitude A/2, frequency 2n and wavelength λ/2
- amplitude A, frequency n and wavelength λ
- amplitude A, frequency n and wavelength 2λ
Answer
(B) amplitude A/2, frequency 2n and wavelength λ/2
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The speed of sound in oxygen (O 2 ) at a certain temperature is 460 m/s. The speed of sound in helium (He) at…
- Given below are two statements. STATEMENT - 1: In a simple harmonic motion, the potential energy can be…
- A string of 5.5 m length has a mass 0.035 kg. If the tension in the string is 77 N, then the speed of wave on…
- Two wires are fixed in a sonometer. Their tensions are in the ratio 8 : 1. The lengths are in the ratio 36 …
- A spring of force constant k is cut into three equal parts. The force constant of each part would be
- Which of the following equations does not represent a simple harmonic motion?
- The power of a sound from the speaker of a radio is 20 mW. By tuning the knob of the volume control, the…
- A train is moving with a constant speed along a circular track. The engine of the train emits a sound of…
More Oscillations and Waves questions · Browse all practice questions