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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 particle having a mass of 10⁻² kg carries a charge of 5 x 10⁻⁸C
- A small oil drop of mass 10⁻⁶kg is hanging in at rest between two plates seperated
- The binding energy of deutron is 2.2 MeV and that of ₂⁴He is 28 MeV.
- α-particles, deuterons and protons of same energy are moving in a perpendicular
- Two conducting spheres of radii 5 cm and 10 cm are given a charge of 15 μC each.
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle having a mass of 10⁻² kg carries a charge of 5 x 10⁻⁸C
- A small oil drop of mass 10⁻⁶kg is hanging in at rest between two plates seperated
- The binding energy of deutron is 2.2 MeV and that of ₂⁴He is 28 MeV.
- α-particles, deuterons and protons of same energy are moving in a perpendicular
- Two conducting spheres of radii 5 cm and 10 cm are given a charge of 15 μC each.
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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