A thin lens of focal length -12.5 cm has a 5.0 cm tall object placed 10 cm in front of it. Where is the image located?
A. 2.5 cm behind the lens
B. 5.6 cm behind the lens
C. 5.6 cm in front of the lens
D. 50 cm behind the lens
E. 50 cm in front of the lens
C. 5.6 cm in front of the lens
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Pulsars can range in mass from ________ to ________ solar masses
Fill in the blank(s) with correct word
A copper specimen is stressed in tension to 76×106 Pa and a total strain of 0.01; then the specimen is unloaded. We observe after the test that the deformation was uniform. Determine the expected recovered elastic strain and the permanent plastic strain.
What will be an ideal response?
The kinetic energy of an electron in a Bohr orbit of the hydrogen atom is 8.57 × 10-20 J. What is the radius of the orbit?
A) 1.35 × 10-9 m B) 2.01 × 10-9 m C) 2.64 × 10-9 m D) 4.12 × 10-9 m E) 5.29 × 10-11 m
Which of the following is believed to have played a major role in the condensation process predicted by the condensation theory?
a. Dust b. Temperature c. Retrograde motion d. Protosuns