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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: - Initial angular velocity of a circular disc of mass M is ?￢ﾂﾁ.Then, two small spheres
- A radioactive nucleus of mass M emits a photon of frequency v and the nucleus recoils.
- A nucleus of uranium decays at rest into nuclei of thrrium and helium. Then
- A certain metallic surface is illuminated with monochromatic light of wavelength
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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
- Initial angular velocity of a circular disc of mass M is ?￢ﾂﾁ.Then, two small spheres
- A radioactive nucleus of mass M emits a photon of frequency v and the nucleus recoils.
- A nucleus of uranium decays at rest into nuclei of thrrium and helium. Then
- A certain metallic surface is illuminated with monochromatic light of wavelength
- A ball of mass 2 kg and another of mass 4 kg are dropped together from
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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