1
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The pipe open at both ends and pipe closed at one end have same length and both are vibrating in fundamental mode. Air column vibrating in open pipe has resonance frequency $n_1$ and air column vibrating in closed pipe has resonance frequency $\mathrm{n}_2$, then

A
$\mathrm{n}_1=2 \mathrm{n}_2$
B
$\mathrm{n}_1=\mathrm{n}_2$
C
$2 \mathrm{n}_1=\mathrm{n}_2$
D
$3 \mathrm{n}_1=4 \mathrm{n}_2$
2
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two sound waves having displacements $x_1=2 \sin (1000 \pi t)$ and $x_2=3 \sin (1006 \pi t)$, when interfere, produce

A
5 beats/s with maximum intensity 25 units
B
6 beats/s with maximum intensity 16 units
C
3 beats/s with maximum intensity 25 units
D
1 beats/s with maximum intensity 5 units
3
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

When the listener moves towards stationary source with velocity ' $\mathrm{V}_1$ ', the apparent frequency of emitted note is ' $F_1$ '. When observer moves away from the source with velocity ' $\mathrm{V}_1$ ', apparent frequency is ' $F_2$ '. If V is the velocity of sound in air and $\frac{F_1}{F_2}=2$ then $\frac{V}{V_1}$ is

A
,2
B
3
C
4
D
5
4
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

When the string is stretched between two rigid supports, under certain tension and vibrated

A
antinodes at both ends and at least one node in between
B
Nodes at both ends and at least one antinode in between
C
Nodes at both ends and no antinode in between
D
antinodes at both ends and no node in between
MHT CET Subjects
EXAM MAP