2.
What kind of wave is formed in organ pipes?
3.
What is the most fundamental property of wave?
4.
The loudness and pitch of a sound note depends on __________
5.
Two waves are propagating with the same amplitude and nearly same frequency in opposite direction, they result in ___
6.
In a transverse wave, the distance between two adjacent crests is
7.
A source emits a sound of a frequency of 400Hz, but the listener hears it’s to be 390Hz. Then?
8.
A wave transmits momentum. Can’t it transfer angular momentum?
9.
Transverse waves can be formed in fluids.
10.
The phenomenon by which stars recede from each other is explained by __________
12.
The material that a wave travels through is called the
14.
A train is approaching with velocity 25m/s towards a pedestrian standing on the track, frequency of horn of train is 1 kHz. Frequency heard by the pedestrian is (v=350m/s).
15.
Which of the following statements are correct of the production and propagation of waves?
I. vibration produces waves
II. waves transmit energy along the medium
III. the medium through which the wave travels does not travel with the wave
IV. waves do not require any medium for transmission
17.
Mechanical waves are called elastic waves.
18.
The source of sound generating of a frequency of 3 kHz reaches an observer with a speed of 0.5 times the velocity of sound in air. The frequency heard by the observer is?
19.
A car sounding its horn at 480Hz moves towards a high wall at a speed of 20m/s, the frequency of the reflected sound heard by the man sitting in the car will be nearest to ________
20.
A transverse wave and a longitudinal wave travelling in the same direction in a medium differ essentially in their
21.
Which of the following is not true about waves?
22.
A train is approaching with velocity 25m/s towards a pedestrian standing on the track, frequency of horn of train is 1 kHz. Frequency heard by the pedestrian is (v=350m/s).
23.
A racing car moving towards a cliff sound its horn. The driver observes that the sound reflected from the cliff has a pitch one octave higher than the actual sound of the horn. If v is the velocity of sound, the velocity of the car is?
24.
A wave travels a distance of 20 cm in 3 s. The distance between successive crests of the wave is 4 cm. What is the frequency of the wave?
25.
The distance between two successive crests of a water wave is 1 m. If a particle on the surface of the water makes two complete vertical oscillations in 1 second, calculate the speed of the wave
