MHT CET 2021 21th September Morning Shift | Waves Question 169 | Physics

A progressive wave of frequency 50 Hz is travelling with velocity 350 m/s through a medium. The change in phase at a given time interval of 0.01 second is

MHT CET 2021 21th September Morning Shift Physics - Waves Question 195 English

$$\frac{\pi}{4}$$ rad

$$\frac{3\pi}{2}$$ rad

$$\pi$$ rad

$$\frac{\pi}{2}$$ rad

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

-0

A simple harmonic progressive wave is given by $$Y=Y_0 \sin 2 \pi\left(n t-\frac{x}{\lambda}\right)$$. If the wave velocity is $$\left(\frac{1}{8}\right)^{\text {th }}$$ the maximum particle velocity then the wavelength is

$$\frac{\pi Y_0}{2}$$

$$\frac{\pi Y_0}{4}$$

$$\frac{\pi \mathrm{Y}_0}{8}$$

$$\frac{\pi Y_0}{16}$$

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

-0

In fundamental mode, the time required for the sound wave to reach upto the closed end of pipe filled with air is $$t$$ second. The frequency of vibration of air column is

$$\frac{1}{t}$$

$$\frac{2}{t}$$

$$\frac{3}{t}$$

$$\frac{0.25}{\mathrm{t}}$$

MHT CET 2021 20th September Evening Shift

MCQ (Single Correct Answer)

-0

Which one of the following statements is true?

The sound waves in air are longitudinal while the light waves in air are transverse.

Both light and sound waves in air are transverse.

Both light and sound waves in air are longitudinal.

The sound waves are transverse and light waves are longitudinal.

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