
Telescópios
Authored by Teresa Vicente
Science
8th Grade
Used 6+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um telescópio refrator usa _______ para focar a luz.
lentes
espelhos
laser
água
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Telescópios refletores usam _______ para focar a luz.
lentes
espelhos planos
espelhos curvos
uma lente e lasers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os telescópios modernos são refletores porque: (Escolha todos que se aplicam)
As lentes são difíceis de fabricar
As lentes são pesadas e frágeis
As lentes absorvem a luz que passa através delas
As lentes requerem apenas 1 superfície perfeita
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um dos problemas criados pela atmosfera que nos cerca é:
Interferometria
Reflexão
Interferência
Desfocagem atmosférica
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual destes não pode resolver o problema da desfocagem atmosférica?
Ótica ativa
Ótica adaptativa
Colocando um telescópio no espaço
Colocando um telescópio no subsolo
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Que tipo de telescópio pode funcionar 24 horas por dia e até mesmo ser usado na chuva?
telescópio refrator
radiotelescópio
telescópio refletor
telescópio solar
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a principal desvantagem dos radiotelescópios?
Eles só podem ser usados em determinadas horas do dia
Eles são muito pequenos
Eles têm uma baixa resolução
Eles têm sistemas de espelhos complexos
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