Physics MCQs

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

A. 281m/sec
B. 333m/sec
C. 340m/sec
D. All of the above

A. Two times
B. Three times
C. Four time
D. Six time

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

A. Dopplers effect
B. Interference of waves
C. Beats phenomena
D. All of these

A. Matter waves
B. Electromagnetic waves
C. Carrier waves
D. Mechanical waves

A. The sum of the frequencies of two tuning forks
B. The difference of the frequencies of two tuning forks
C. The ratio of the frequencies of two tuning forks
D. The frequency of either of the two tuning forks

A. Antinodes
B. Nodes
C. Troughs
D. Crests

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