This is Physics MCQs section with detailed explanations for preparation of screening tests, interviews for government jobs. In this section candidate will learn MCQs on variety of topics from the subject.
they are transverse waves
they are stationary waves
they require material medium for propagation
they do not have enough energy
See Answer
Added By: Ak Aamir
Answer
: they require material medium for propagation
Explanation
: N/A
1.61 ms-1
61.0 ms-1
0.61 ms-1
2.00 ms-1
: 0.61 ms-1
increases
decreases
remains unchanged
may increase or decrease
: decreases
20000 to 30000 hertz
10 to 20 hertz
2000 to 4000 hertz
6000 to 8000 hertz
: 2000 to 4000 hertz
313C
586C
819C
1172C
: 819C
silence zone
interference
beats
resonance
: beats
diffraction of sound waves
constructive and destructive interference
polarization
destructive interference
: constructive and destructive interference
sound wave only
light wave only
both sound and light waves
neither sound nor light wave
: both sound and light waves
1/4f
1/2f
frequency lower than 20 Hz
2f
: frequency lower than 20 Hz
only even harmonics are present
only odd harmonics are present
both even and odd harmonics are present
selected harmonics are present
: both even and odd harmonics are present
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