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Physics 10 Chapter 11 - Sound - 25
1.
Which of the following properties is displayed by sound when it interacts with materials and boundaries?
a) Convection
b) Refraction
c) Radiation
d) Conduction
2.
Which of the following properties is displayed by sound when it interacts with materials and boundaries?
a) Conduction
b) Radiation
c) Convection
d) Reflection
3.
Which of the following properties is displayed by sound when it interacts with materials and boundaries?
a) Conduction
b) Convection
c) Diffraction
d) Radiation
4.
Which of the following properties is displayed by sound when it interacts with materials and boundaries?
a) Conduction
b) Convection
c) Absorption
d) Radiation
5.
What is the method called that is used to absorb undesirable sounds by soft and porous surfaces?
a) Nucleo-statics
b) Electrostatics
c) Acoustics
d) Endoscopy
6.
In acoustics protection, by which surfaces undesirable sounds are absorbed?
a) Porous surfaces
b) Hard surfaces
c) Both b and c
d) Soft surfaces
7.
In acoustics protection, by which surfaces undesirable sounds are absorbed?
a) Hard surfaces
b) Rigid surfaces
c) Smooth surfaces
d) Soft surfaces
8.
In acoustics protection, by which surfaces undesirable sounds are absorbed?
a) Porous surfaces
b) Smooth surfaces
c) Rigid surfaces
d) Hard surfaces
9.
By which of the following surface, reflection of sound is more prominent?
a) Smooth surfaces
b) Hard surfaces
c) All of these
d) Rigid surfaces
10.
When researchers observe that giraffes stop and wait for other giraffes?
a) 1939
b) 1996
c) 1393
d) 1993
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