Which of the following is not a terrestrial planet?
a. Earth
b. Mars
c. Saturn
d. Venus
[Ques. 2] What is the wavelength in meters, of a sound wave (v = 340 m/s) with a frequency of 4 Hz?
a. 85 Hz
b. 1360 Hz
c. 340 Hz
d. 0.012 Hz
[Ques. 3] The ground state configuration of chlorine (Z = 17) is
a. 1s2 2s2 2p5 3s2 3p6
b. 1s2 2s2 2p6 3s2 3p5
c. 1s2 2s2 2p6 3s2 3p4 3d1
d. 1s2 2s2 2p6 3s2 3p5 4s1
e. 1s2 2s2 2p6 3s1 3p7
[Ques. 4] How many minor planets are known to exist in the solar system, using today's classification system?
a. 1
b. 3
c. 2
d. 4
[Ques. 5] What is the frequency, in hertz, of a sound wave (v = 340 m/s) with a wavelength of 68 m?
a. 5 Hz
b. 23120 Hz
c. 340 Hz
d. 0.2 Hz
[Ques. 6] Characteristic x-rays can be produced by bombarding targets with electrons. These x-rays occur when
a. electrons from higher shells fill the vacant lower shell
b. electrons fill the vacant valence shell
c. photons are emitted with energies on the order of 103 eV
d. photons are emitted with wavelengths on the order of 103 nm
[Ques. 7] According to today's classification system, how many major planets are there in the solar system?
a. 10
b. 9
c. 8
d. 11
[Ques. 8] A stretched string can have ______________ natural frequency(ies).
a. one
b. 10 times its length in
c. 5 times its length in
d. many
[Ques. 9] Forbidden transitions and selection rules suggest that
a. a photon has linear momentum.
b. a photon has energy.
c. a photon has angular momentum.
d. a photon has parity.
e. a photon has mass.
[Ques. 10] Which of the following planets cannot be in opposition?
a. Mercury
b. Jupiter
c. Saturn
d. Mars
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