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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
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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 specific charge of a proton is 9.6×10⁷ C/kg. The specific charge of an alpha particle
- The electric potential V at any point (x,y,z) all in meters in space is given by
- A car sounding a horn of frequency 100 Hz passes an observer. The ratio
- The approximate depth of an ocean is 2700 m. The compressibility of water is
- A student performs an experiment to determine the Young’s modulus of a wire
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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