The water waves obey the laws of:
Reflection
Refraction
Diffraction
All of these
the time period of body attached to spring depend on:
mass
gravitational constant
length
amplitude
The value of acceleration is simple harmonic motion at mean position is:
Maximum
Zero
10 N
Both a and b
1 KB = :
1024 bytes
1024 KB
1024MB
None of these
the part of waves at which particles of the medium are below the normal position are called:
extreme position
crest
trough
compression
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