2
MCQ (Single Correct Answer)
Sound waves of wavelength $\lambda$ travelling in a medium with a speed of $v \mathrm{~m} / \mathrm{s}$ enter into another medium where its speed in $2 v \mathrm{~m} / \mathrm{s}$. Wavelength of sound waves in the second medium is
A
$\lambda$
B
$\frac{\lambda}{2}$
C
$2 \lambda$
D
$4 \lambda$
3
MCQ (Single Correct Answer)
Speed of sound wave in air
A
is independent of temperature
B
increases with pressure
C
increases with increase in humidity
D
decreases with increase in humidity
4
MCQ (Single Correct Answer)
Change in temperature of the medium changes
A
frequency of sound waves
B
amplitude of sound waves
C
wavelength of sound waves
D
loudness of sound waves
5
MCQ (Single Correct Answer)
With propagation of longitudinal waves through a medium, the quantity transmitted is
A
matter
B
energy
C
energy and matter
D
energy, matter and momentum
6
MCQ (Single Correct Answer)
Which of the following statements are true for wave motion?
A
Mechanical transverse waves can propagate through all mediums
B
Longitudinal waves can propagate through solids only
C
Mechanical transverse waves can propagate through solids only
D
Longitudinal waves can propagate through vacuum