Podcast
Questions and Answers
What is the charge on the small ball attached to the 100 cm long string?
What is the charge on the small ball attached to the 100 cm long string?
- 6 × 10^-6 C (correct)
- 1.5 × 10^-6 C
- 2 × 10^6 C
- 3 × 10^-6 C
What is the mass of the small ball attached to the string?
What is the mass of the small ball attached to the string?
- 1.2 g
- 1.5 g
- 0.6 g (correct)
- 0.8 g
In what direction is the electric field in which the charged ball is placed?
In what direction is the electric field in which the charged ball is placed?
- Horizontal (correct)
- Diagonal
- Circular
- Vertical
What is the approximate frequency of the system described in the text?
What is the approximate frequency of the system described in the text?
What is the length of the rod to which the two identical balls are attached?
What is the length of the rod to which the two identical balls are attached?
What is being calculated when determining the angular velocity of the rod turning through 90°?
What is being calculated when determining the angular velocity of the rod turning through 90°?
What is the approximate De-Broglie wavelength of particle Y?
What is the approximate De-Broglie wavelength of particle Y?
If the De-Broglie wavelength of particle X is 1Å, what is its velocity?
If the De-Broglie wavelength of particle X is 1Å, what is its velocity?
What is the wave number of the first line in the Balmer series for hydrogen (H)?
What is the wave number of the first line in the Balmer series for hydrogen (H)?
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+?
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+?
Which particle has a smaller De-Broglie wavelength, X or Y?
Which particle has a smaller De-Broglie wavelength, X or Y?
How does the wave number vary in the Balmer series as we move from H to Be3+ ions?
How does the wave number vary in the Balmer series as we move from H to Be3+ ions?
What is the correct order of acid strength among Al2O3, SiO2, P2O5, and SO3?
What is the correct order of acid strength among Al2O3, SiO2, P2O5, and SO3?
In the compound X-P-X, where X is a halogen atom, which sequence of bond angles is incorrect?
In the compound X-P-X, where X is a halogen atom, which sequence of bond angles is incorrect?
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?
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?
Which of the following compounds has the strongest acid character?
Which of the following compounds has the strongest acid character?
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?
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?
