The deBroglie wavelength for a particle indicates its

A. position
B. momentum
C. mass
D. physical extent in space


B. momentum

Physics & Space Science

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In the context of an eclipsing binary system, briefly explain a light curve

What will be an ideal response?

Physics & Space Science

The spectrum of a(n) ____________________ consists of a continuum and a few highly red shifted emission lines of due to hydrogen

Fill in the blank(s) with correct word

Physics & Space Science

Tuning forks #1, #2, and #3 each have slightly different frequencies.When #1 and #2 are sounded together, a beat frequency of 3 Hz results.  When #2 and #3 are sounded together, a beat frequency of 5 Hz results. If the frequency of #1 is 100 Hz, which of the following cannot be the frequency of #3?

A. 92 Hz B. 95 Hz C. 98 Hz D. 102 Hz E. 108 Hz

Physics & Space Science

A current of 4.0 A is maintained in a single circular loop having a circumference of 80 cm. An external magnetic field of 2.0 T is directed so that the angle between the field and the plane of the loop is 20°. Determine the magnitude of the torque exerted on the loop by the magnetic forces acting upon it

a. 0.41 N / m b. 0.14 N / m c. 0.38 N / m d. 0.27 N / m e. 0.77 N / m

Physics & Space Science