Homework Clinic
Science Clinic => Physics => Topic started by: james on Jul 29, 2018
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An object is placed 60 cm from a convex lens of focal length 10 cm. What is the magnification?
A)
-0.10
B)
0.10
C)
0.15
D)
0.20
E)
-0.20
Question 2
Which of the following statements concerning the nuclear force is false?
A)
The nuclear force is very short-ranged.
B)
The nuclear force is very weak and much smaller in relative magnitude than the electrostatic and gravitational forces.
C)
The nuclear force is attractive and not repulsive.
D)
The nuclear force acts on both protons and neutrons.
E)
The nuclear is one of only four known types of forces in nature.
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Answer to Question 1
E
Answer to Question 2
B