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Complete the sentence by putting a cross (X) in the box next to your answer - Edexcel - GCSE Physics - Question 5 - 2012 - Paper 1
Question 5
Complete the sentence by putting a cross (X) in the box next to your answer. The frequency of ultrasound is ☐ A less than 20 Hz ☐ B between 20 Hz and 2000 Hz ☐ C b... show full transcript
Worked Solution & Example Answer:Complete the sentence by putting a cross (X) in the box next to your answer - Edexcel - GCSE Physics - Question 5 - 2012 - Paper 1
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Describe how bats use ultrasound to locate prey.
Answer
Bats emit ultrasound in the form of sound waves to locate their prey. This is done as follows:
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Emission of Sound: The bat emits sound waves (ultrasound) that travel through the air and bounce off objects, including potential prey.
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Reflection of Waves: The sound waves reflect or bounce off the prey, returning to the bat.
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Echolocation: The bat interprets the returning sound waves to determine the distance, size, and shape of the prey. This process is known as echolocation.
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Navigation and Hunting: By using the information from the reflected sound waves, bats can effectively hunt, navigating through their environment in the dark.