When a string is divided into three segments of lengths l 1 , l 2 and l 3 the fundamental frequencies of these three segments are ν 1 , ν 2 and ν 3 respectively. The original fundamental frequency ν of the string is

1 ν = 1 ν 1 + 1 ν 2 + 1 ν 3

E M B I B E

Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 14

EASY

NEET

IMPORTANT

Earn 100

Two forks $A$ and $B,$ when sounded together produce $2$ beat/s. The fork $A$ is in unison with $30 cm$ length of a sonometer wire and $B$ is in unison with $25 cm$ length of the same wire at the same tension. The frequency of fork $A$ and $B$ are respectively

50% studentsanswered this correctly

Important Questions on Waves

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 15

Three consecutive resonant frequencies of stretched string fixed at both ends are

60 Hz, 90 Hz

and

120 Hz

then

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 1

The longitudinal wave can be observed in

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 2

A transverse pulse is shown in the figure, on which

4

points are shown at any instant. Which of the following points are in a state to move upwards in subsequent time?
Question Image

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 3

A rope of length

L

and mass

M

hangs freely from the ceiling. If the time taken by a transverse wave to travel from the bottom to the top of the rope is

T

, then time to cover first half length is

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 4

A uniform rope having some mass hangs vertically from a rigid support. A transverse wave pulse is produced at the lower end. The speed

(u)

of the wave pulse varies with height

(h)

from the lower end as

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 5

A transverse pulse generated at the bottom of a uniform rope of length

L

, travels in upward direction. The time taken by it to travel the full length of rope will be

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 6

In a sinusoidal wave, the minimum time required for a particular point to move from maximum displacement to zero displacement is

0.17 s

. The frequency of the wave is

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 7

Figure shows a snapshot for a travelling sine wave along a string. Four elemental portions

a, b, c

and

d

are indicated on the string. The elemental portion which has maximum potential energy is/are
Question Image

Learn and Prepare for any exam you want !

|

|

|

|

|

|

|

|

Two forks A and B, when sounded together produce 2 beat/s. The fork A is in unison with 30 cm length of a sonometer wire and B is in unison with 25 cm length of the same wire at the same tension. The frequency of fork A and B are respectively

Important Questions on Waves

Learn and Prepare for any exam you want !

Two forks $A$ and $B,$ when sounded together produce $2$ beat/s. The fork $A$ is in unison with $30 cm$ length of a sonometer wire and $B$ is in unison with $25 cm$ length of the same wire at the same tension. The frequency of fork $A$ and $B$ are respectively