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The velocity of radio-waves is 3×10⁵ km/s. The frequency corresponding to wavelength of 300 m is
Options
(a) 1 MHz
(b) 10 MHz
(c) 1 kHz
(d) 10 kHz
Correct Answer:
1 MHz
Explanation:
Frequency ʋ = Velocity v / Wavelength λ = v / λ
⇒ ʋ = (3 × 10⁵ × 10³) / 300 = 10⁶ Hz = 1 MHz
Related Questions: - A body of mass 3 kg acted upon by a constant force is displaced by S meter
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body of mass 3 kg acted upon by a constant force is displaced by S meter
- Which one of the following statements is WRONG in the context of X-rays generated
- A beam of light of wavelength 590 nm is focussed by a converging lens of diameter
- The minimum wavelength of X-rays emitted by X-ray tube is 0.4125Å
- In a radioactive decay process, the negatively charged emitted β- particles are
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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