What happens to the magnitude of the magnetic field inside a long solenoid the length of the solenoid is doubled, with the number of turns remaining the same?
1.It becomes four times larger.
2.It becomes twice as large.
3.It is unchanged.
4.It becomes one-half as large.
5.It becomes one-fourth as large.
4
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Hadrons are particles that interact via the strong force
a. True b. False Indicate whether the statement is true or false
If the central maximum in a single slit diffraction pattern has intensity I0, the intensity of the secondary maximum that is nearest to it is closest to
A) I0. B) 2I0. C) I0/4. D) I0/2. E) 0.045I0.
Psi is a unit of force
a. True b. False Indicate whether the statement is true or false
You are building a compound microscope with an objective lens of focal length 0.60 cm and an eyepiece lens of focal length 5.0 cm. You mount the lenses 18 cm apart. What is the maximum magnification of your microscope?
a. 5 b. 10 c. 75 d. 150 e. 18