What happens to the frequency of the scattered X-rays beam as the scattering angle in the Compton effect decreases?

A) It stays the same.
B) It decreases.
C) It increases.
D) Not enough information


C

Physics & Space Science

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If we have measured a star's apparent brightness and distance, then we can easily calculate its

A) luminosity B) mass C) surface temperature D) radius E) lifetime

Physics & Space Science

A resistor and an ideal inductor are connected in series to an ideal battery having a constant terminal voltage V0. At the moment contact is made with the battery, (a) the voltage across the resistor is A. V0. B) V0/e. C) V0/2. D) zero

(b) the voltage across the inductor is A. V0. B) V0/e. C) V0/2. D) zero.

Physics & Space Science

Consider a situation where a constant force of 25N acts on an object having a mass of 2 kg for 3 seconds. What is the impulse provided by the force?

a. 150 Ns b. 50 Ns c. 75 Ns d. undetermined—not enough information given e. none of the above

Physics & Space Science

The horizontal surface on which the objects slide is frictionless. If M = 2.0 kg, the tension in string 1 is 12 N. Determine F.

A. 25 N B. 20 N C. 30 N D. 35 N E. 40 N

Physics & Space Science