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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 body of mass 3 kg is under a constant force which cause a displacement
- Two cities are 150 km apart. Electric power is sent from one city to another city
- A man goes 10 m towards north, then 20m towards east, the displacement is
- A particle of mass m is projected with a velocity v making an angle of 45°
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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 body of mass 3 kg is under a constant force which cause a displacement
- Two cities are 150 km apart. Electric power is sent from one city to another city
- A man goes 10 m towards north, then 20m towards east, the displacement is
- A particle of mass m is projected with a velocity v making an angle of 45°
- An air bubble in a glass slab with refractive index 1.5 (near normal incidence)
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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