Determine the distance in nautical miles between point A, located at 45N, 75W, and point B, located at 30S, 75W.
[Ques. 2] A radar pulse returns 9.0 10-4 s after it was sent out and reflected by an object. What is the separation distance of the radar source and the object?
a. 2.7 105 m
b. 1.4 105 m
c. 7.4 104 m
d. 3.7 104 m
[Ques. 3] The energy of a molecule can normally be divided into the following categories:
a. rotational and vibrational
b. translational, rotational and vibrational
c. electronic, translational, rotational, and vibrational
d. rotational
e. electronic
[Ques. 4] Daylight Saving Time begins on the first Sunday of ______________ and ends on the last Sunday in ______________.
Fill in the blank(s) with correct word
[Ques. 5] Electromagnetic waves are
a. longitudinal.
b. reverse.
c. transverse.
d. a combination of these.
[Ques. 6] The fundamental frequency of HF is 8.72 1013 Hz. The energy associated with a transition from the 10th to the 9th vibrational quantum number (in eV) is
a. 3.61
b. 0.361
c. 0.060 5
d. 0.605
e. 0.182
[Ques. 7] The main purpose of DST is to save ______________.
Fill in the blank(s) with correct word
[Ques. 8] Which of the following electromagnetic radiations has the greatest frequency?
a. Ultraviolet
b. Infrared
c. Radio
d. Visible
[Ques. 9] The force constant of HCl is 480 N/m. If the atomic masses are 1 u and 35 u (1 u = 1.66 1027 kg), find the fundamental frequency (in Hz).
a. 6.4 1013
b. 9.2 1013
c. 7.7 1013
d. 8.7 1013
e. 1.4 1013
[Ques. 10] When the IDL is crossed going from east to west, a day is ______________.
Fill in the blank(s) with correct word
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