What is the ratio of the light-gathering power of a telescope with a primary lens of diameter 10 m to a telescope with a primary lens of diameter 1 m?
A) 10 to 1
B) 1 to 10
C) 100 to 1
D) 1 to 100
C
Physics & Space Science
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a. True b. False Indicate whether the statement is true or false
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A reactor with a conversion coefficient of 0.87 is a burner
What will be an ideal response?
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The nucleus of an atom is made up of which of the following?
a. electrons and neutrons c. protons, electrons, and neutrons b. protons and neutrons d. electrons and protons
Physics & Space Science
If the magnetic susceptibility of a material is –5×10-6 , this material is _________.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science