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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
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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
- If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
- An objective moves ,starting from rest through a resistive medium
- Two similar springs P and Q have spring constants Kp and Kq, such that Kp>Kq.
- Calculate the charge on equivalent capacitance of the conbination shown in figure
- A cycle wheel of radius 4 m completes one revolution in two seconds. Then acceleration
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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