English

An Electromagnetic Wave Has a Frequency of 500 Mhz and a Wavelength of 60 Cm Calculate the Velocity of the Wave.

Advertisements
Advertisements

Question

An electromagnetic wave has a frequency of 500 MHz and a wavelength of 60 cm Calculate the velocity of the wave.

Advertisements

Solution

Frequency = 500MHz = 500 x `10^6`Hz
Wavelength = 60 cm = 0.6 m
Velocity of wave = frequency x wavelength
= 500x `10^6` x 0.6 = 3 x `10^8`m/s

shaalaa.com
  Is there an error in this question or solution?

RELATED QUESTIONS

Name the parts of the electromagnetic spectrum which is

used as a diagnostic tool in medicine.

Write in brief, how these waves can be produced.


Give the range of wavelength of the electromagnetic waves visible to us.


Name the radiations of wavelength just longer than 8 × 10-7m.


Which part of electromagnetic spectrum is used in radar systems?


Gamma rays D C Visible light B A

The above table shows different parts of the electromagnetic spectrum.
(a)    Identify the parts of the spectrum marked as A, B, C and D.
(b)    Which of the radiations A or B has the higher frequency?
(c)    State two properties which are common to all parts of the electromagnetic spectrum.
(d)    Name one source of each of the radiation of electromagnetic spectrum.
(e)    Name one detector for each of the radiation.
(f)    Name one use of each of the radiation.


Answer briefly.

Name the most harmful radiation entering the Earth's atmosphere from outer space.


An e.m. wave exerts pressure on the surface on which it is incident. Justify.


Write two uses of the following radiation.

X-rays


Given below in the left column are different modes of communication using the kinds of waves given in the right column. 

A.  Optical Fibre
Communication
P. Ultrasound
B. Radar Q. Infrared Light
C. Sonar R. Microwaves
D. Mobile Phones  S. Radio Waves

From the options given below, find the most appropriate match between entries in the left and the right column.


Identify the electromagnetic wave whose wavelength range is from about 10-3 m to about 10-1 m. Write one use of this.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×