Answer
Step by step text solution for Which types of waves are used in different Electronic gadgets? by PHYSICS experts to help you in doubts & scoring excellent marks in Class 11 exams.
|
CHETANA PUBLICATION-ELECTROMAGNETIC WAVES AND COMMUNICATON SYSTEM-EXERCISE
- Which types of waves are used in different Electronic gadgets?
01:51
|
- How does energy from the sun, which is an essential requirement for li...
02:53
|
- What are the different sources from which we get EM waves in day to da...
01:56
|
- What is displacement current?
02:41
|
- What is the achievement of H. Hertz regarding EM waves?
01:06
|
- What was Sir Jagdish Chandra Bose contribution towards EM waves?
01:14
|
- For what work was Nobel prize in 1909 in Physics awarded to G. Marconi...
01:24
|
- State few laws relating electric and magnetic fields.
04:02
|
- What are EM waves?
01:50
|
- What are the direction of electric field, magnetic field and direction...
02:06
|
- What is the source of EM waves?
02:20
|
- Can we produce a pure electric or magnetic waves in space? Why?
02:19
|
- How are EM waves produced?
03:12
|
- Does an ordinary electric lamp emit EM waves?
02:09
|
- State the mathematical expression for electric field and magnetic fiel...
02:20
|
- State characteristics of an EM wave.
07:05
|
- Write the formula for velocity of EM waves in vacuum and in given medi...
02:39
|
- Write the formula for intensity of a wave in EM waves.
02:34
|
- Calculate the frequency in MHz of a radio wave of wavelength 250 m. Re...
02:57
|
- Calculate the wavelength in nm of an X-ray wave of frequency 2 xx 10^1...
01:22
|