Electromagnetic Waves
| Description: electromagnetic radiation & charactersticts of e.m waves | |
| Number of Questions: 25 | |
| Created by: Amish Majumdar | |
| Tags: radio uv. EM Waves and their Characteristics Electromagnetic Waves E.M Waves and Their Characteristics Electromagnetic Spectra Electromagnetic Spectrum Electro Magnetic Spectra Maxwell-s Equations |
Electromagnetic waves are emitted by an oscillating charge with
The ozone layer blocks the passage of
Displacement current is
In which layer of atmosphere, most of the atmospheric ozone is concentrated?
Electromagnetic waves do not transport
Which of the following is not an electromagnetic wave?
Which wave is used in RADAR system for air craft navigation?
Which is the region of electromagnetic spectrum that can be detected by human eye?
Which wave is used in green house to keep plants warm?
Low lying clouds reflects back the
Which of the following electromagnetic radiation is used for viewing the objects through haze and fog?
According to Maxwell's hypothesis, a changing electric field gives rise to
The velocity of light in vaccum can be changed by changing
Which is the following is the lowest portion of Earth's atmosphere?
which of the following statement is wrong about electromagnetic waves?
In which of the following atmospheric layer, many jet aircrafts fly?
Which ray is responsible for heat radiation in Earth's atmosphere?
X-rays have a
Which rays are produced by the nucleus of radioactive substances?
The region of atmosphere above troposphere is known as
Meteors & rock fragments burn up in which of the following layer?
Which of the following are high energy electromagnetic radiations?
The electromagnetic radiations are in descending order of wavelength in the following sequence:
Appleton layer is a part of
Which of the following has the shortest wavelength?