English

Name the e.m. waves which are suitable for radar systems used in aircraft navigation. Write the range of frequency of these waves. If the Earth did not have

Advertisements
Advertisements

Question

Name the e.m. waves which are suitable for radar systems used in aircraft navigation. Write the range of frequency of these waves.

Answer in Brief
Advertisements

Solution

Microwaves are suitable for the radar system used in aircraft navigation. Range of frequency of microwaves is 108 Hz to 1011 Hz.

shaalaa.com
  Is there an error in this question or solution?
2021-2022 (March) Term 2 Sample

Video TutorialsVIEW ALL [2]

RELATED QUESTIONS

What is the range of the wavelength of the following electromagnetic waves?
(a) Gamma rays.


Two waves A and B have wavelength 0.01 Å and 9000 Å respectively.

  1. Name the two waves.
  2. Compare the speeds of these waves when they travel in vacuum.

The distance between the cathode (filament) and the target in an X-ray tube is 1.5 m. If the cutoff wavelength is 30 pm, find the electric field between the cathode and the target.

(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)


Define the term "Intensity" in the photon picture of electromagnetic radiation. 


Name the radiation of the electromagnetic spectrum which is used for the following:

Radar and Give the frequency range.


Give one use of electromagnetic radiation in Microwaves.


Choose the correct option.

The EM wave emitted by the Sun and responsible for heating the Earth’s atmosphere due to greenhouse effect is


Answer briefly.

Why high-frequency carrier waves are used for the transmission of audio signals?


Electromagnetic waves with wavelength

  1. λ1 is used in satellite communication.
  2. λ2 is used to kill germs in water purifies.
  3. λ3 is used to detect leakage of oil in underground pipelines.
  4. λ4 is used to improve visibility in runways during fog and mist conditions.
  1. Identify and name the part of electromagnetic spectrum to which these radiations belong.
  2. Arrange these wavelengths in ascending order of their magnitude.
  3. Write one more application of each.

In uranium (Z = 92) the K absorption edge is 0.107 Å and the Kα line is 0.126 Å, and the wavelength of the L absorption edge is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×