Write the following Statement Is True Or False. & Write True - Science STD 9 Questions

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Write the following Statement Is True Or False. & Write True Statement.

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10 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark

Kinetic energy has formula – $mv^2$

Answer

$1$

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Question 21 Mark

The SI unit of work is newton.

Answer

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Question 31 Mark

The CGS unit of energy is dyne.

Answer

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Question 41 Mark

The kilowatt hour is the unit of energy.

Answer

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Question 51 Mark

Power is a scalar quantity.

Answer

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Question 61 Mark

Work is a vector quantity.

Answer

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Question 71 Mark

Mechanical energy can be converted into electrical energy.

Answer

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Question 81 Mark

Unit of power is joule.

Answer

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Question 91 Mark

Water stored at some height has potential energy.

Answer

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Question 101 Mark

The potential energy of a body of mass 1 kg kept at height 1 m is 1 J.

Answer

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Science Write the following Statement Is True Or False. & Write True Statement.

Write the following Statement Is True Or False. & Write True Statement.

Take a timed test