A charged atom oscillating in a certain molecule has a period of oscillation of about 10 ps. What kind of electromagnetic radiation does it produce?

A. Radio
B. Microwave
C. Infrared
D. Visible
E. Ultraviolet
F. X-ray
T. Gamma ray


B. Microwave

Physics & Space Science

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Which of the following is not one of the basic properties by which we classify a subatomic particle?

A) temperature B) mass C) charge (electrical) D) spin

Physics & Space Science

A 2.0-C charge moves with a velocity of ( m/s and experiences a magnetic force of  N. The x component of the magnetic field is equal to zero. Determine the z component of the magnetic field.

A. ?3.0 T B. +3.0 T C. +5.0 T D. ?5.0 T E. +6.0 T

Physics & Space Science

Earth's axis is tilted ______________ degrees from the normal to the ecliptic plane

a. zero b. 90 c. 45 d. 23.5

Physics & Space Science

A 15-?F capacitor and a 25-?F capacitor are connected in parallel, and charged to a potential difference of 60 V. How much energy is then stored in this capacitor combination?

a. 50 mJ b. 18 mJ c. 32 mJ d. 72 mJ e. 45 mJ

Physics & Space Science