Question

Sita was performing an experiment in the laboratory under her teacher
guidance. She was given a pendulum and a stop clock by her teacher and was
asked to measure the time period of one oscillation. She was happily
performing the experiment by counting and measuring the time taken for 10
oscillations. After all her calculations she could give the correct answer to her
teacher. Her teacher was very appreciative of sita’s experimentation skills.
(4)
1) Why did Sita measure the time taken for 10 oscillations instead of 1?
2) How does the time period vary with the amplitude of oscillations ?
3) The frequency of sound is measured in _______
4) The audible frequency range of human ear is ________ and ________

Answer 1

Answer:

Laura bxkvtjxhk sj. zcnmvf