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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 p-n photodiode is made of a material with a band gap of 2.0 eV
- A particle of mass m is projected with a velocity v making an angle of 45°
- A small signal voltage V(t)=V₀ sin ωt is applied across an ideal capacitor C
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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 p-n photodiode is made of a material with a band gap of 2.0 eV
- A particle of mass m is projected with a velocity v making an angle of 45°
- A small signal voltage V(t)=V₀ sin ωt is applied across an ideal capacitor C
- In a capillary tube water raises by 1.2 mm. The height of water that will rise
- Two capacitors of capacitances 2 μF and 3 μF are joined in series.
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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