Question

pls ans thiese........​

Answer 1

Answer:

Q.3 (Friction :— The transfer of electrons from one object to another and transfer electron one object to next.

induction:—By inducing electron to move from one object to the other.)

Q.4 (most curved mirrors have a sperical profile.this are the simplest to make,and it is the best shape for general-purpose use.

Q.5 (concave mirror two uses

1.torch light.

2.reflecting telescopes.

convex mirrors two uses

1.calling bell.

2.optical instrument.

plane mirror two uses

1.looking glass.

2.solar cookers. )

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