Which of the following descriptions of the image formed by a plane mirror is not correct. the image is?

An example of a mechanical wave is?

A. water waves B. radio waves C. x-rays D. light rays Correct Answer: Option A = water waves Explanation A mechanical wave is a wave that is an oscillation of matter. A sound wave is a mechanical wave that propagates along or through a medium by particle-to-particle...
Which of the following descriptions of the image formed by a plane mirror is not correct. the image is?

The joule is equivalent to?

A. Kg m2 s-1 B. Kg2 m s-2 C. Kg m2 s-2 D. Kg m s-1 Correct Answer: Option C = Kg m2 s-2 Explanation Joule as the unit of work done or energy used. Force = mass × acceleration Work = Force × Distance Work = mass x acceleration x distance Joule = kg × m/s2 × m → kg m2...

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