Question 1 Define the term vibration? Question 2 How is simple pendulum made? Question 3 What is the relation between time period and frequency of an oscillating body? Question 4 Name 3 characteristics which are used to describe oscillations? Question 5 Define the term amplitude? Question 6 How can we increase the amplitude of vibration? Question 7 How can we … [Read more...] about Amplitude, Time-Period and Frequency of Vibration
Sound
Ears
Question 1 Draw a neat and labelled diagram of human ear? Question 2 Explain the working of human ear? Question 3 Name the organ of hearing in human being? Question 4 Name that part of ear which vibrates when outside sound falls on it? Question 5 Name the three tiny bones present in the middle part of ear? Question 6 What is the function of three tiny bones in … [Read more...] about Ears
Speed of Sound
Question 1 What is the speed of sound in air? Question 2 What is the speed of sound in water? Question 3 What is the speed of sound in solids? Question 4 Where would sound travel faster- in wood or water? Question 5 In which medium sound travel faster- air or iron? Question 6 When we put our ears to a railway line, we can hear the sound of an approaching train … [Read more...] about Speed of Sound
Sound needs a Medium for Propagation
Question 1 What does the working of a toy telephone tell us about sound? Question 2 Name one solid, liquid and a gas through which sound can travel? Question 3 Why sound cannot travel through vacuum? Question 4 Define the term medium? Question 5 How can you show that sound cannot travel vacuum? Question 6 Why sound cannot be heard on the moon? Question 7 How … [Read more...] about Sound needs a Medium for Propagation
Sound Produced by Humans
Question 1 What is the length of vocal cords in a man? Question 2 Out of a man and a woman who has shorter vocal cords? Question 3 Out of a man and a woman who produces sound of higher pitch? Question 4 Name the sound producing organs in humans? Question 5 Which part of the body vibrates when we speak? Question 6 What is the name of the strings in human voice box … [Read more...] about Sound Produced by Humans