Question

State true or false:-
a. The distance travelled by a body in unit time is called its displacement.
b. Light needs a material medium to travel.
c. Nuclear energy is released when the nucleus of an atom splits.
d. The energy stored in fire crackers is in the form of magnetic energy. e. Rest and motion are relative terms.​

Answer 1

Answer:

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Answer 2

Answer:

a.false. because it is called the speed of the body.

b.false. Light or any other form of electromagnetic radiation travels by swapping energy back and forth between electric and magnetic fields, and no medium is needed for either

c.true.

d.true.

e.true.

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