1
MHT CET 2021 21th September Morning Shift
+1
-0

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

A
$$\frac{\pi}{4}$$ rad
B
$$\frac{3\pi}{2}$$ rad
C
$$\pi$$ rad
D
$$\frac{\pi}{2}$$ rad
2
MHT CET 2021 21th September Morning Shift
+1
-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

A
$$\frac{\pi Y_0}{2}$$
B
$$\frac{\pi Y_0}{4}$$
C
$$\frac{\pi \mathrm{Y}_0}{8}$$
D
$$\frac{\pi Y_0}{16}$$
3
MHT CET 2021 21th September Morning Shift
+1
-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

A
$$\frac{1}{t}$$
B
$$\frac{2}{t}$$
C
$$\frac{3}{t}$$
D
$$\frac{0.25}{\mathrm{t}}$$
4
MHT CET 2021 20th September Evening Shift
+1
-0

Which one of the following statements is true?

A
The sound waves in air are longitudinal while the light waves in air are transverse.
B
Both light and sound waves in air are transverse.
C
Both light and sound waves in air are longitudinal.
D
The sound waves are transverse and light waves are longitudinal.
MHT CET Subjects
Physics
Mechanics
Optics
Electromagnetism
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Calculus
Coordinate Geometry
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