Q.1] A simple pendulum takes 10 seconds to complete 20
oscillations. What is the time period of the pendulum?
No of oscillations =_____
Time Taken =______ sec
Time period of the pendulum = Time taken
No. of oscillation
Q.2] Let us calculate your speed of walking
Distance travelled =____
metres
Time taken=____ sec
Speed=____= m/sec
Q.4] Choose the correct option:
i] Properties which are affected during physical change.
a) colour b] Shape c] Size d) All of the above
ii) Example of chemical change is
a) Dissolving sugar in water
b) Formation of clouds
c) Cooking of flood
d) Cutting of trees
Answers
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Answer:
no of oscillations is equal to 20/10 = 2 revolutios per secod
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the answer is 7568 sorry for disturbing
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