Name the type of mirror used (a) by dentists (b) in solar furnaces. Give two reasons why such mirrors are used in each case.
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(A) by dentists and in b) solar furnaces in both the cases a concave mirror is used
(A) as the concave mirror produces an enlarged erect and virtual image of the object when any object is kept very close to the mirror it enables the dentist to operate the patient easily hence it Is used here.
(B) it is used in solar furnaces as all the parallel rays coming from the sun will get converged after reflection and meet at the principal focus of the mirror thus this will enable faster and effective heating of the object In the furnace it is used here in solar furnaces.
(A) as the concave mirror produces an enlarged erect and virtual image of the object when any object is kept very close to the mirror it enables the dentist to operate the patient easily hence it Is used here.
(B) it is used in solar furnaces as all the parallel rays coming from the sun will get converged after reflection and meet at the principal focus of the mirror thus this will enable faster and effective heating of the object In the furnace it is used here in solar furnaces.
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a.concave mirror is used by the dentist's as when a tooth is within the focus of a concave mirror, then an enlarged image of the tooth is seen in the concave mirror. Due to this, it becomes easier to locate the defect in the tooth.
b. the concave mirror is used in the solar furnaces as The concave reflector focuses the sun's heat rays on he surface due to which the solar furnace gets very hot.
b. the concave mirror is used in the solar furnaces as The concave reflector focuses the sun's heat rays on he surface due to which the solar furnace gets very hot.
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