Ask Questions, Get Answers
Menu
X
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
CBSE XII Board Exam Series
BES Math
BES Physics
BES Chemistry
BES Biology
studyplans
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
CBSE XII Board Exam Series
BES Math
BES Physics
BES Chemistry
BES Biology
mobile
exams
ask
sample papers
tutors
pricing
login
X
ASK
Home
>>
JEEMAIN and NEET
>>
Physics
>>
Class11
>>
Oscillations
A wave equation is given by $\;x_{1}=A sin w(t-\large\frac{x}{K})\;$ where A is in mts , w is in Hz , x is in mts . The units of k are
$(a)\;m/s\qquad(b)\;m/s^2\qquad(c)\;m\qquad(d)\;m^2/s^2$
jeemain
physics
class12
unit10
oscillations-and-waves
easy
Share
asked
Mar 7, 2014
by
yamini.v
retagged
Jul 10, 2014
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1 Answer
Answer : (a) $\;m/s$
Explanation :
The equation becomes $\;\large\frac{wx}{K}\;$ inside which should be unitless
As the units of x are m and w is $s^{-1}$
Therefore , The units of K are m/s .
answered
Mar 7, 2014
by
yamini.v
Please
log in
or
register
to add a comment.
Related questions
The wave equation of 2 waves are given by $\;x_{1}=4 \sin 3t\; mts\;$ and $\;x_{2}=3 \cos 3t \;mts \;.$ The amplitude of the resulting wave is
jeemain
physics
class12
unit10
oscillations-and-waves
easy
asked
Mar 7, 2014
by
yamini.v
1
answer
The equation of motion of a particle is given by $x=4 sin(3t)$ mts where t is in seconds . The velocity of the particle at t=0 s is
jeemain
physics
class12
unit10
oscillations-and-waves
easy
asked
Mar 7, 2014
by
yamini.v
1
answer
4 waves $\;x_{1}=4 \sin5t\;, x_{2}= 8 \sin 5t\;, x_{3}=\cos 5t \;and\;x_{4}=4 \cos 5t \;$ interfere and if the final equation can be written in the form of $\;A \sin (5t+\sin^{-1}(\large\frac{B}{c}))\;$ , what is the sum of $\;A+B+C$ ?
jeemain
physics
class12
unit10
oscillations-and-waves
easy
asked
Mar 7, 2014
by
yamini.v
1
answer
20 waves of amplitudes 1 , 2 ...... , 9 , 20 mts are interfered . Maximum amplitude of the resulting wave is
jeemain
physics
class12
unit10
oscillations-and-waves
easy
asked
Mar 7, 2014
by
yamini.v
1
answer
In figure a block of mass 100 kg tied to a string of linear mass density 0.1 Kg/m . Find the frequency of the wave on the string if the length of the string is 2 mts ?
jeemain
physics
class12
unit10
oscillations-and-waves
easy
asked
Mar 7, 2014
by
yamini.v
1
answer
In a stationary wave successive nodes and antinodes are separated by 25 cms . If the frequency of a vibrating particles is 250 Hz . The velocity of sound is
jeemain
physics
class12
unit10
oscillations-and-waves
easy
asked
Mar 7, 2014
by
yamini.v
1
answer
A longitudinal wave of frequency 1000 Hz is travelling in a medium . At a certain point in the medium there is a compression at certain moment . How many milliseconds later would the next rare faction form at this place ? If the velocity of wave is 350 m/s , how for is the earlier compression at this time ?
jeemain
physics
class12
unit10
oscillations-and-waves
easy
asked
Mar 7, 2014
by
yamini.v
1
answer
Ask Question
Tag:
Math
Phy
Chem
Bio
Other
SUBMIT QUESTION
►
Please Wait
Take Test
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
JEEMAIN
350+ TESTS
NEET
320+ TESTS
CBSE XI MATH
50+ TESTS
CBSE XII MATH
80+ TESTS
...