ATI TEAS 7
Physics
1. A water wave approaches a shallow beach. What happens to its speed, wavelength, and frequency?
- A. Speed increases, wavelength decreases, frequency increases.
- B. Speed decreases, wavelength decreases, frequency remains the same.
- C. Speed increases, wavelength increases, frequency decreases.
- D. Speed, wavelength, and frequency remain the same.
Correct answer: B
Rationale: As waves enter shallow water, they slow down due to increased interaction with the bottom. This causes the wavelength to decrease to maintain the constant wave energy (E = hf). Frequency remains constant as it's determined by the source, not the medium.
2. Which property of a substance describes its ability to conduct heat or electricity?
- A. Reactivity
- B. Conductivity
- C. Density
- D. Viscosity
Correct answer: b
Rationale: Conductivity refers to a substance's ability to conduct heat or electricity
3. What is the structure that attaches to each chromosome during mitosis?
- A. Centromere
- B. Telomere
- C. Spindle apparatus
- D. Nucleolus
Correct answer: A
Rationale: Rationale: The centromere is the structure that attaches to each chromosome during mitosis. It is a region of the chromosome where the two sister chromatids are held together and where the spindle fibers attach during cell division. The centromere plays a crucial role in ensuring that each daughter cell receives the correct number of chromosomes during cell division. Telomeres are structures found at the ends of chromosomes that protect them from deterioration and fusion with neighboring chromosomes. The spindle apparatus is a structure made of microtubules that helps separate chromosomes during cell division. The nucleolus is a region within the nucleus where ribosomal RNA synthesis occurs and is not directly involved in chromosome attachment during mitosis.
4. What property of a wave is measured in Hertz (Hz)?
- A. Amplitude
- B. Wavelength
- C. Speed
- D. Frequency
Correct answer: d
Rationale: Frequency, the number of oscillations per second, is measured in Hertz (Hz).
5. Which statement accurately defines power?
- A. Power is the amount of energy stored in an object
- B. Power is the rate at which energy is transferred or work is done
- C. Power is the maximum force exerted by an object
- D. Power is the resistance of an object to change in motion
Correct answer: b
Rationale: Power measures how quickly work is done or energy is transferred or converted.
6. Which word best describes the relationship between population growth and smart cities in the passage?
- A. Cause and effect
- B. Analogy
- C. Contrast
- D. Similarity
Correct answer: A
Rationale: The passage identifies rapid population growth as a challenge that smart cities are proposed to address, establishing a causal connection.
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