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WorksheetsSOUND
Total questions: 5
Worksheet time: 2mins
WHICH ONE OF THE FOLLOWING ANIMAL CAN HEAR THE ULTRASONIC SOUND?
BOTH TURTLES AND DOGS
NONE OF THESE
NAME THE PART OF THE EAR WHICH VIBRATES WHEN A SOUND HITS ON IT.
EAR WAX
EAR DRUM (INNER EAR)
PINNA
EAR DRUM (MIDDLE EAR)
SELECT THE CORRECT STATEMENTS
FREQUENCY= OSCILATION/TIME
LIGHT TRAVEL FAST THEN SOUND
OSCILATION IS TO AND FRO MOVEMENT OF AN OB OBJECT
LOUD SOUND HAVE HIGHER AMPLITUDE BUT SOFT SOUND HAVE NO OR ZERO AMPLITUDE
A pendulum oscillates 100 times in 10 sec. Find its time period and frequency
TIME PERIOD= 0.1 sec
FREQUENCY= 12 HZ
FREQUENCY= 10 HZ
TIME PERIOD= 10 sec
HOW DOES WHALES AND OTHER AIMALS COMMUNICATE IN WATER?
AS SOUND TRAVELS IN WATER
VACCUM IN WATER HELP THEM TO COMMUNICATE
THEY COMMUNICATE BY THEIR REACTIONS
BECAUSE OF OXYGEN PRESENT IN WATER
