NEW
Font size
S
M
L
XL
WorksheetsSound
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
What is the frequency
a)
Is the distance between succssive regions of high or low
b)
is the point of rest
c)
Is the number of oscillation in pressure each secound
d)
Ok
2.
What is sound wave
a)
Longitudinal wave
b)
Tranvers wave
3.
What is correct formula of doppler effect
a)
Fs=fd(vd-vs)
b)
Fs = fd (v-vd / v - vs)
c)
Fd = fs (v - vs / v-d)
d)
Fd = fs ( v - vd / v-vs)
4.
When it is + vd
a)
When the detecter moving towerd the source
b)
When the detecter moving away
5.
a)
Fd = 351
b)
Fs =361
c)
Fd = 390
6.
Echo : is the reflection of sound waves from soft object
a)
T
b)
F
7.
Loundness depends on the frequency
a)
F
b)
T
8.
Pitch depend on wavelenth
a)
T
b)
F
9.
what is c
a)
rarefaction
b)
Compression
c)
Refalction
10.
What happen in R
a)
reflection
b)
Compression
c)
Rarefaction
Reset
