Explanation

• EAX is a 32-bit register, meaning it can hold 4 bytes of data
• Its sub-parts:

• AX — the lower 2 bytes (16-bit)
• AH — the upper 1 byte (high byte of AX)
• AL — the lower 1 byte (low byte of AX)

Last updated 24-07-2026 by NA

Explanation

A commercial Polaroid — referring to the polarizing material/filter used in various commercial applications — can be called by any of these names:

• Polarizer — a general term for anything that polarizes light
• Polaroid filter — specifically referencing the Polaroid brand of polarizing filters
• Polarizing filter — a technical term describing the function (a filter that polarizes light)

Last updated 24-07-2026 by NA

Explanation

• For the point $(6,9)$:
• x2+y2=62+92=36+81=117
• Since $117>100$, the point (6,9) lies outside the circle.

Last updated 24-07-2026 by NA

Explanation

• The Law of Cosines is used to find a side or angle of a non-right triangle.
• It relates three sides and one angle of a triangle.
• a,b,c represent the sides of the triangle.
• C is the angle opposite side c.
• It generalizes the Pythagorean theorem for any triangle.

Last updated 24-07-2026 by NA

Explanation

• Rutherford’s gold foil experiment (1911) showed that an atom has a small, dense, positively charged center called the nucleus.
• The mass of the atom is concentrated in the nucleus, while most of the atom is empty space.

Additional information:

• Nucleus contains: Protons (+) and neutrons (neutral)
• Electrons move around the nucleus in mostly empty space
• The experiment involved alpha particles being deflected by the nucleus.

Last verified on 10-02-2026