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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: - The slope of the graph showing the variation of potential difference V on X-axis
- Ring, hollow ring and solid sphere are rolled down from inclined plane
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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
- The slope of the graph showing the variation of potential difference V on X-axis
- Ring, hollow ring and solid sphere are rolled down from inclined plane
- A scooter is going round a circular road of radius 100 m at a speed of 10m/s
- A linear aperture whose width is 0.02 cm is placed immediately in front of a lens
- The magnetic flux linked with a circuit of resistance 100Ω increases from 10 to 60 Wb.
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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