17 Questions
What is the charge on the small ball attached to the 100 cm long string?
6 × 10^-6 C
What is the mass of the small ball attached to the string?
0.6 g
In what direction is the electric field in which the charged ball is placed?
Horizontal
What is the approximate frequency of the system described in the text?
0.10 Hz
What is the length of the rod to which the two identical balls are attached?
$2a$
What is being calculated when determining the angular velocity of the rod turning through 90°?
Rotational motion of the system
What is the approximate De-Broglie wavelength of particle Y?
5.3 Å
If the De-Broglie wavelength of particle X is 1Å, what is its velocity?
High
What is the wave number of the first line in the Balmer series for hydrogen (H)?
15200 cm–1
If the wave number of the first line in the Balmer series for hydrogen is 15200 cm–1, what is the wave number of the second line in the Balmer series for Be3+?
243000 cm–1
Which particle has a smaller De-Broglie wavelength, X or Y?
Particle Y
How does the wave number vary in the Balmer series as we move from H to Be3+ ions?
Increases
What is the correct order of acid strength among Al2O3, SiO2, P2O5, and SO3?
Al2O3 < SiO2 < P2O5 < SO3
In the compound X-P-X, where X is a halogen atom, which sequence of bond angles is incorrect?
OPBr3 > OPCl3 > OPF3
If a particle X has a de-Broglie wavelength of 1Å, what can be deduced about particle Y with a mass 25% of X and velocity 75% of X?
Y will have a smaller de-Broglie wavelength than X
Which of the following compounds has the strongest acid character?
SO3
What is the de-Broglie wavelength of a particle Y if it has a mass 25% of that of particle X and a velocity 75% of that of X, where X has a de-Broglie wavelength of 1Å?
~0.5Å
This quiz tests your knowledge on bond angles and acid strengths of halogen atoms and oxides based on the given chemical compounds. Identify the correct order of bond angles or acid strengths to ace this quiz!
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