| ⇦ | 
| ⇨ |
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 excess pressure inside one soap bubble is three times that inside a second soap bubble
- A spring balance is attached to the ceiling of a lift.A man hangs his bag on the spring
- The self-inductance of a coil having 500 turns is 50mH. The magnetic flux
- The momentum of a body is increased by 20%.The percentage increases in kinetic energy
- Which of the following are mechanical waves?
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The excess pressure inside one soap bubble is three times that inside a second soap bubble
- A spring balance is attached to the ceiling of a lift.A man hangs his bag on the spring
- The self-inductance of a coil having 500 turns is 50mH. The magnetic flux
- The momentum of a body is increased by 20%.The percentage increases in kinetic energy
- Which of the following are mechanical waves?
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply