|
When a source moves at a speed greater than of sound, will Doppler formula hold ? What will happen?
|
|
0
|
645
|
August 23, 2016
|
|
What will be the speed of sound in a perfectly rigid rod?
|
|
0
|
785
|
August 23, 2016
|
|
Is the phenomenon of beats observable in case of two light waves of nearly equal frequencies?
|
|
0
|
808
|
August 23, 2016
|
|
Where will a person hear maximum sound, at node or antinode?
|
|
0
|
1784
|
August 23, 2016
|
|
What are harmonics?
|
|
0
|
834
|
August 23, 2016
|
|
We can recognise our friends from their voices. Why?
|
|
0
|
669
|
August 23, 2016
|
|
Why is sound heard in C${{O}_{2}}$ more intense in comparison to sound heard in air?
|
|
0
|
444
|
August 23, 2016
|
|
Sound waves from a point source are propogating in all directions. What will be the ratio of amplitudes at distances of 9 m to 25 m from the source?
|
|
0
|
769
|
August 23, 2016
|
|
Is superposition principle applicable to electromagnetic waves?
|
|
0
|
1168
|
August 23, 2016
|
|
Velocity of sound in air at N.T.E is 332 m/s. What will be the velocity when pressure is doubled and temperature is kept constant?
|
|
0
|
2577
|
August 23, 2016
|
|
What do you mean by the term woofer or bass in sound?
|
|
0
|
563
|
August 23, 2016
|
|
Light waves can be polarised but sound waves cannot Why?
|
|
0
|
1255
|
August 23, 2016
|
|
A tranverse harmonic wave on a string is described
|
|
1
|
607
|
August 23, 2016
|
|
What are transverse waves ? Give examples, how such wave propagate?
|
|
0
|
911
|
August 23, 2016
|
|
What are longitudinal waves ? Give examples. How do such waves propagate?
|
|
0
|
843
|
August 23, 2016
|
|
Discuss some of the important characteristics of wave motion
|
|
0
|
2680
|
August 23, 2016
|
|
For the travelling harmonic wave
|
|
1
|
1353
|
August 23, 2016
|
|
Obtain an equation of a progressive wave
|
|
0
|
2926
|
August 23, 2016
|
|
Give a relation for velocity of a wave
|
|
0
|
531
|
August 23, 2016
|
|
What is transverse wave motion. Give examples
|
|
0
|
1904
|
August 23, 2016
|
|
Given below are some examples of wave motion. State in each case, if the wave motion is transverse, longitudinal or a combination both
|
|
1
|
2790
|
August 23, 2016
|
|
A wire stretched between two rigid supports vibrates in its fundamental mode with a frequency
|
|
1
|
2245
|
August 23, 2016
|
|
You have learnt, that a travelling wave in one dimension is represented by a function
|
|
1
|
2066
|
August 23, 2016
|
|
A steel wire has a length of 12.0 m and a mass of 2.10 kg
|
|
1
|
625
|
August 23, 2016
|
|
A stone dropped from the top of a tower of height 300 m High splashes into the water of a pond near the base of the tower
|
|
1
|
2096
|
August 23, 2016
|
|
A string of mass 2.5 kg is under a tension of 200 N
|
|
1
|
4065
|
August 23, 2016
|
|
What is phase in wave equation
|
|
1
|
895
|
August 23, 2016
|
|
Write down the expression for speed of transverse waves in solids and in a stretched string
|
|
0
|
5886
|
August 23, 2016
|
|
Transverse waves are not produced in liquids and gases. Why?
|
|
0
|
1243
|
August 23, 2016
|
|
Ocean waves hitting a beach are always found to be nearly normal to the shore
|
|
0
|
1006
|
August 23, 2016
|