1
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
$$\frac{\pi Y_0}{16}$$
2
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
$$\frac{0.25}{\mathrm{t}}$$
3
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.
4
MHT CET 2021 20th September Evening Shift
+1
-0

Two consecutive harmonics of an air column in a pipe closed at one end are of frequencies 150 Hz and 250 Hz. The fundamental frequency of an air column is

A
25 Hz
B
75 Hz
C
100 Hz
D
50 Hz
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Physics
Mechanics
Optics
Electromagnetism
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
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Algebra
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Coordinate Geometry
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