Answer:
(a) Ultrasound waves are high frequency waves.
(b) Ultrasounds are able to travel along well-defined
paths even in the presence of obstacles. These waves break the stones formed in
the kidneys into fine grains. These grains later get flushed out with urine ultrasound
waves were also used to detect the stone in kidney.
(c) Manisha is scientific, conscious to health and well-mannered
girl.
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