A Newtonian Telescope Uses

question 54

Multiple Choice

A Newtonian telescope uses

• A) only one mirror with its front surface shaped into a parabola.
• B) one curved mirror and one flat mirror at a 45° angle to the first mirror axis.
• C) two flat mirrors inclined to each other at a right angle.
• D) two curved mirrors, one convex, the second concave in shape.

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A physical and mental state characterized by reduced tension and anxiety.

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Refers to a range of behaviors that can result in both physical and psychological harm to oneself, others, or objects in the environment.

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Methods or strategies used to reduce tension, anxiety, or the physiological and psychological effects of stress.

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The act or activity designed to provide pleasure, amusement, or relaxation to an audience, typically involving performances, shows, or games.