This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 73 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 73 (4 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The wavelength of very fast moving electron $\left(v\approx c\right)$ A) $\lambda=\frac{h}{m_0v}$. B) $\lambda=\frac{h}{\sqrt[]{2mE}}$. C) $\lambda^2=\frac{h^2}{\sqrt[]{2mE}}$. D) $\lambda=\frac{h\sqrt[]{1-\frac{v^2}{c^2}}}{m_0v}$. Show Answer Correct Answer: D) $\lambda=\frac{h\sqrt[]{1-\frac{v^2}{c^2}}}{m_0v}$. 2. This is what you get when sound waves are reflected, or bounce back, off of a hard surface. A) Amplitude. B) Pitch. C) Volume. D) Echo. Show Answer Correct Answer: D) Echo. 3. What is an example of an electromagnetic wave? A) Visible light. B) Water waves. C) Sound waves. D) Radioactive waves. Show Answer Correct Answer: A) Visible light. 4. Sound waves travel faster through air as the temperature of the air increases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← PreviousRelated QuizzesClass 11 Physics (Part Ii) Chapter 17 Waves Quiz 1Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 2Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 3Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 4Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 5Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 6Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 7Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 8Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 9Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books