Mesons are composed of

A. any odd number of quarks.
B. three quarks of matching color.
C. three quarks of three different colors.
D. a colorless quark-antiquark pair.


D. a colorless quark-antiquark pair.

Physics & Space Science

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An AC series circuit contains a resistor of 30.0 ?, a capacitor of 1.22 ?F and an inductor of 154 mH. What frequency should be used to create a resonance condition in the circuit?

a. 3.49E+2 Hz b. 8.48E+2 Hz c. 9.21E+2 Hz d. 3.67E+2 Hz e. 7.35E+2 Hz

Physics & Space Science

An FM radio station broadcasts at 96.7 MHz. What is the wavelength of the radio wave used for this broadcast? (c = 3.0 × 108 m/s)

What will be an ideal response?

Physics & Space Science

When a neutron decays to a proton, a(n) __________ particle is emitted

Fill in the blank(s) with correct word

Physics & Space Science

Thermal convection movement in the upper mantle

A) generates the electric current that powers Earth's magnetic field. B) greatly influences Earth's surface features. C) heats Earth's core by frictional forces. D) is usually negligible.

Physics & Space Science