In the picture shown, the lines are called __________________



Fill in the blank(s) with correct word.


boundaries

Physics & Space Science

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________ occurs when an electron in an atom jumps from a lower energy orbital to a higher energy orbital.

A. Acceleration B. Ionization C. Relaxation D. Excitation

Physics & Space Science

When a bar magnet is thrust into a coil of copper wire, the coil tends to

A) attract the magnet as it enters. B) repel the magnet as it enters. C) both of these D) neither of these

Physics & Space Science

A 100-kW radio station emits EM waves in all directions from an antenna on top of a mountain. What is the intensity of the signal at a distance of 10 km?

a. 8 × 10^?5 W/m2 b. 8 × 10^?6 W/m2 c. 3 × 10^?3 W/m2 d. 0.8 W/m2 e. 2.5 × 10^?5 W/m2

Physics & Space Science

How far away can two point sources of wavelength 500 nm be if they are just resolved in a telescope of aperture 1.5 cm?

A. 25 km B. 12 km C. 90 m D. 12 m E. more information is needed

Physics & Space Science