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Brut [27]
3 years ago
15

Which collects light in a reflecting telescope?

Physics
2 answers:
Temka [501]3 years ago
8 0

Answer: Option a, concave lens.

Explanation: The object that collects the light in a reflecting telescope is "kinda" concave lens that collects the light and directs it to a mirror, that is where the observer can see. So the correct answer is option a.

Alecsey [184]3 years ago
4 0
Concave lens. These are used in making the objectives of reflection telescopes
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Physical part: Melting of the solid wax and evaporation of the liquid forms the physical change.

Chemical part: burning of the wax vapour forms the chemical change.

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3 years ago
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If an astronaut had a mass of 30 kg on the moon what would his mass be on earth?
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Explanation:

A one-kilogram mass is still a one-kilogram(as mass is an intrinsic property of the object) but the downward force due to gravity, and therefore it's weight, is only one-sixth of what the object would have on the Earth. So man of mass 180 pounds weights only about 30 pounds-force when visiting the moon

hope it help..... pls add me as brainlist.

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Evgesh-ka [11]

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