There are 750 students in an Institutional School (Private school) and the average monthly fee per student is Rs 1,350. How much tax should be paid
by the school in a year at the rate of 1% Education Service charge?

diagram is missing, but i will try to explain your doubt.

answer:

amplitude is the maximum displacement or distance moved on a point of a vibrating body or wave measured from its equilibrium position.it is equal to half the length of vibration path.

photocells convert light energy to electricity

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