An electromagnetic wave passes through space and its
equation is given by E = E₀ sin (⍵t – kx) where E is electric
field. Energy density of electromagnetic wave in space is
(a) 1/2 ℰ₀E₀²
(b) 1/4 ℰ₀E₀²
(c) ℰ₀E₀²
(d) 2ℰ₀E₀²
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Explanation:
In the following situations, identify the agent exerting the force. Also, state
the effect of the force in each case.
(a) Squeezing a piece of lemon between the fingers to extract its juice.
(b) A person diving into a swimming pool.
(c) A labourer moving a loaded cart.
(0) A car coming to rest once its engine is switched off.
te) An athlete making a high jump to clear a bar kept at a certain height. this is not correct answer
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Answer:
There are 12 months in a year. And get better mileage
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