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Chem 142 Unit 1 Exam 2025 Questions and Answers
Chem 142 Unit 1 Exam 2025 Questions and Answers
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Chem 142
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Chem 142
Chem 142 Unit 1 Exam 2025 Questions and Answers
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| Uploaded on: | September 15, 2025 |
| Last updated: | September 15, 2025 |
| Number of pages: | 7 |
| Written in: | 2025/2026 |
| Type: | Exam (elaborations) |
| Contains: | Questions & Answers |
| Tags: | Chem 142 Unit 1 Exam 2025 Questions and Answers |
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Chem 142 Unit 1 Exam 2025 Questions and Answers The figure represents three waves of electromagnetic radiation. Which gives correct trend in relative velocities? - --CORRECT ANSWER--1=2=3 Speed of light (waves) is constant (Wavelength)(frequency)=speed (Wavelength)(frequency)=c(3.0x10^8ms^-1) Which of the following frequencies corresponds to light with the shortest wavelength? A. 3.00 × 1013 s-1 B. 4.12 × 105 s-1 C. 8.50 × 1020 s-1 D. 9.12 × 1012 s-1 - --CORRECT ANSWER--C. 8.50 × 1020 s-1 Increase frequency, decrease wavelength ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1