Waves - Online Test
Q1. A travelling wave, at a rigid boundary or a closed end,
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. Standing waves are characterized by fixed locations of zero displacement called nodes and fixed locations of maximum displacements called antinodes. The separation between two consecutive nodes or antinodes is.
Answer : Option D
Explaination / Solution:
No Explaination.
Q3. A pipe of length L with one end closed and other end open (such as air columns) vibrates in the fundamental mode
Answer : Option C
Explaination / Solution:
No Explaination.
Q4. When sound travels from air to water the quantity that remains unchanged is
Answer : Option B
Explaination / Solution:
No Explaination.
Q5.
Beats arise when two waves having slightly different frequencies, and and comparable amplitudes, are superposed. The beat frequency is
Answer : Option B
Explaination / Solution:
No Explaination.
Q6. The human ear is most sensitive to sound in the frequency range of
Answer : Option A
Explaination / Solution:
No Explaination.
Q7. An echo repeats two syllables. If the velocity of sound is 330 m/s, then the distance of reflecting surface is
Answer : Option C
Explaination / Solution:
No Explaination.
Q8. A boat at anchor is rocked by waves whose crests are 100 cm apart and whose velocity is 25 cm/sec. These waves reach the boat once every
Answer : Option B
Explaination / Solution:
No Explaination.
Q9. A certain broadcasting station broadcasts at frequency of 12 Mega Hz. The wavelength of waves emitted is
Answer : Option D
Explaination / Solution:
No Explaination.
Q10. A sound wave has frequency 500 Hz and velocity 350m/s. What is the distance between the two particles having phase difference of 60
Answer : Option D
Explaination / Solution:
No Explaination.
