A. One
B. Two
C. Four time
D. None of these
Related Mcqs:
- 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 - A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe _____________________?
A. always an node in formed
B. always an antinode is formed
C. neither node nor antinode is formed
D. sometimes a node and sometimes an antinode is formed - 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 - Waves produced at the surface of water by a pencil executing vibrating motion if held vertically at a frequency of 50Hz are__________________?
A. Longitudinal
B. Transverse
C. Periodic
D. both A and C - The most fundamental of all sciences which provides basic principles and fundamental laws to other branches of science is_________?
A. biology
B. physics
C. information technology
D. chemistry - 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 - A simple pendulum has a bob of mass m and its frequency is f. If we replaced the bob with a heavier one say of 2m then that will be its new frequency ?
A. 1/4f
B. 1/2f
C. frequency lower than 20 Hz
D. 2f - If capacitance of L-C circuit is made four times then frequency of the circuit becomes___________________?
A. Twice
B. One half
C. Four times
D. None - 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/8Submitted by: Rizwan Ayub Saadi
- The waves that require a material medium for their propagation are called__________________?
A. matter waves
B. electromagnetic waves
C. carrier waves
D. mechanical waves
