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Q1. A high-frequency photon is scattered off of an electron and experiences a change of wavelength of 8.0×10-4 .At what angle should a detector be placed to detect scattered photon (relative to the direction of the incoming photon)?

Q2. Neptune Mass 1 1.0 × 10^26 kg Saturn Mass 2 5.70 × 1026-kg Difference Between Masses 1.5 × 1011 m Force of Gravity N.

Q3. A helicopter is ascending vertically with a speed of 5.45. At a height of 137 above the Earth, a package is dropped from a window.

How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the helicopters.]

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Category:- Physics
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