1. A wave has a frequency of 450 Hz and a wavelength of 0.1 m. What is its speed? (v = f x lambda)
- A35
- B54.785
- C55
- D45
उत्तर दिखाएँ
उत्तर: D
Wave speed v = frequency x wavelength = 450 x 0.1 = 45 m/s.
Wave Motion — Physics Questions & Practice
305 Wave Motion questions from Physics for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong. का अभ्यास करें
305 questions · 0 quizzes · free to start
Wave Motion पर अभ्यास प्रश्न — उत्तर सहित
Try each question first, then open the answer. Explanations are included.
2. A wave has a frequency of 470 Hz and a wavelength of 5 m. What is its speed? (v = f x lambda)
- A1764.09
- B2352
- C1772.959
- D2350
उत्तर दिखाएँ
उत्तर: D
Wave speed v = frequency x wavelength = 470 x 5 = 2350 m/s.
3. A wave has a frequency of 10 Hz and a wavelength of 5 m. What is its speed? (v = f x lambda)
- A40
- B50
- C45.105
- D51
उत्तर दिखाएँ
उत्तर: B
Wave speed v = frequency x wavelength = 10 x 5 = 50 m/s.
4. A wave has a frequency of 450 Hz and a wavelength of 1 m. What is its speed? (v = f x lambda)
- A450
- B460
- C373.677
- D401.645
उत्तर दिखाएँ
उत्तर: A
Wave speed v = frequency x wavelength = 450 x 1 = 450 m/s.
5. A wave has a frequency of 40 Hz and a wavelength of 0.5 m. What is its speed? (v = f x lambda)
- A19
- B16.84
- C18.332
- D20
उत्तर दिखाएँ
उत्तर: D
Wave speed v = frequency x wavelength = 40 x 0.5 = 20 m/s.
और भौतिकी टॉपिक
Kinematics - Equations of Motion (1180)Circular Motion (851)Electrical Energy and Power (701)Electricity - Series and Parallel Circuits (542)Momentum and Impulse (474)Newton's Laws of Motion (389)Hooke's Law and Springs (354)Optics - Mirrors and Lenses (207)Capacitance (168)Gravitation (93)Scientific Instruments (46)SI Units (42)Physics Laws and Principles (35)Physicists and Discoveries (18)Modern Physics - Photon Energy (12)Simple Pendulum (12)Electromagnetic Spectrum (9)Forces and Mechanics (9)सभी भौतिकी →