A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe _____________________?

Related Mcqs:

1. Fundamental frequency of stationary waves in open pipe is ______________ times the frequency in closed pipe?

   A. One
   B. Two
   C. Four time
   D. None of these

2. Which one is the correct relation for fundamental frequency of open and closed pipe ?

   A. fopen = 2 fclosed
   B. fclosed = 2fopen
   C. fopen = fclosed
   D. fopen = 1 / f closed

3. When crest of one wave falls over the trough of the other wave this phenomenon is known as________________?

   A. polarization
   B. constructive interference
   C. destructive interference
   D. diffraction

4. In a half-wave rectifier the r.m.s. value of the A.C. component of the wave is________________?

   A. Equal to D.C. value
   B. More than D.C. value
   C. Less than D.C. value
   D. Zero

5. An electromagnetic wave consists of _____________________?

   A. Electric and magnetic fields moving parallel to each other
   B. Magnetic field moving with velocity of light in space
   C. Electric field moving with velocity of light
   D. Electric and magnetic fields moving perpendicular to each other

6. When the source of sound moves away form a stationary listener then ______________ occurs?

   A. an apparent increase in frequency
   B. an apparent decrease in frequency
   C. an apparent decrease in wavelength
   D. no apparent change in frequency

7. The speed of stationary waves in a stretched string are independent of___________________?

   A. Number of loops
   B. Tension in the string
   C. Point where string is plucked
   D. both A and C

8. The distance between any two consecutive nodes or antinodes in a stationary wavelength (λ) is _________?

   A. λ
   B. λ/2
   C. λ/4
   D. λ/8

   Submitted by: Rizwan Ayub Saadi

9. A field in which the work done in a moving a body along closed path is zero is called________________?

   A. electric field
   B. conservative field
   C. electromagnetic field
   D. gravitational field

10. Wave-like characteristic of electron is demonstrated by______________?

    A. Line spectrum of atoms
    B. Production of x-rays.
    C. Diffraction by crystalline solids
    D. Photoelectric effect