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The energy applied to cause vibration can be in the form of air pressure a stick, bow, or electricity. true or fasle

Apiece of artwork, either 2-d or 3-d, which is composed by an artist using the elements and principles of art is called a

Achair of height 1 m is placed 1 m in front of a plane mirror. a girl is standing 3 m behind the chairas shown. find the minimum length of the plane mirror in order that she can see the whole imageof the chair.a. 0.50 mb. 0.75 mc. 0.80 md. 1.00 m