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Created by

PH LP
PH LP
Brazil

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Assista ao vídeo e responda as perguntas

by PH LP
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1

O que significa dizer que RI, RR e N são coplanares.

2

Os ângulos i e r são sempre

3

Porque a imagem do cachorrinho levanta a pata esquerda?

4

O cruzamento dos prolongamentos dos raios refletidos determina a posição de uma imagem

5

A imagem de um corpo extenso em um espelho plano

6

A imagem formada por um espelho plano a partir de um objeto real

7

O número de imagens formadas de um objeto diante de uma associação de dois espelhos planos depende

8

Se o ângulo entre os espelhos fosse 60 graus, o número de imagens de um objeto seria igual a

Explicação

As retas RI, RR e N são coplanares por estarem em um mesmo plano.

Os ângulos i e r possuem a mesma medida. Por isso são congruentes.

A imagem formada por um espelho plano sempre é simétrica (ou invertida lateralmente).

O cruzamento dos prolongamentos ocorre atrás do espelho, determinando a localização de uma imagem virtual.

Por ser uma imagem virtual, está localizada atrás do espelho.

 
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