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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 physical quantities not having same dimensions are
- A ray of light is incident on a transparent glass slab of refractive index 1.62
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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 physical quantities not having same dimensions are
- A ray of light is incident on a transparent glass slab of refractive index 1.62
- Electrons in a certain energy level n=n₁, can emit 3 spectral lines. When they
- The voltage of an a.c.supply varies with time (t) as V=120 sin 100 πt the maximum voltage
- In a uniform circular motion,
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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