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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 moment of inertia of a uniform circular disc of radius R and mass M about an axis
- In a parallel plate capacitor of capacitance C, a metal sheet is inserted
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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 moment of inertia of a uniform circular disc of radius R and mass M about an axis
- In a parallel plate capacitor of capacitance C, a metal sheet is inserted
- A body of mass 3 kg acted upon by a constant force is displaced by S meter
- A vibrating string of certain length l under a tension T resonates with a mode
- A rod of weight W is supported by two parallel knife edges A and B is in equilibrium
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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