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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 radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable
- A cyclotron is used to accelerate
- A capacitor of capacitance 100μF is charged by connecting it to a battery of voltage
- The order of distance of an electron revolving in an atom from nucleus is
- A train moving at a speed of 220 ms⁻¹ towards a stationary object
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable
- A cyclotron is used to accelerate
- A capacitor of capacitance 100μF is charged by connecting it to a battery of voltage
- The order of distance of an electron revolving in an atom from nucleus is
- A train moving at a speed of 220 ms⁻¹ towards a stationary object
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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