An object 20-cm high is placed 50.0 cm in front of a lens whose focal length is 5.00 cm. Where will the image be located (in cm)?
a. 5.13
b. 5.56
c. 5.72
d. 5.93
e. 4.55
b
Physics & Space Science
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A) multiringed basins B) micrometeorites C) magma oceans D) coronae
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If the red shift of a quasar were 3, at what wavelength would the 486.1 nm line of hydrogen appear in the quasar's spectrum?
What will be an ideal response?
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A lump of energy associated with light is called a
A) quantum. B) photon. C) both of these D) neither of these
Physics & Space Science
A star of magnitude 1 appears ______________ times brighter than a star of magnitude 2
Fill in the blank(s) with correct word
Physics & Space Science