The Cassegrain Reflector Needs a Primary Concave Main Mirror and a Smaller

question 35

True/False

The Cassegrain reflector needs a primary concave main mirror and a smaller, convex secondary mirror to reflect light back through a hole in the primary.

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Definitions:

Negotiable Promissory Note

A written, legally-binding promise to pay a specified sum of money either on-demand or at a set time, which can be transferred to others.

Appears Valid

Describes something that seems to be legally sound, legitimate, or credible, but has not been proven or confirmed.

Altered Check

A check on which information has been modified or forged, such as the payee's name or the amount, without the account holder's authorization.

Ethos Art Gallery

Refers to a hypothetical or specific art gallery that presents and promotes artworks reflecting particular cultural values and ideals.