Advertisements
Advertisements
Question
Name the electromagnetic wave/radiation which is used to study crystal structure.
Solution
X-rays are the electromagnetic radiation used for studying the crystal structure of solids.
APPEARS IN
RELATED QUESTIONS
Draw a schematic sketch of the electromagnetic waves propagating along the + x-axis. Indicate the directions of the electric and magnetic fields
When Sunita, a class XII student, came to know that her parents are planning to rent out the top floor of their house to a mobile company she protested. She tried hard to convince her parents that this move would be a health hazard.
Ultimately her parents agreed :
(1) In what way can the setting up of transmission tower by a mobile company in a residential colony prove to be injurious to health?
(2) By objecting to this move of her parents, what value did Sunita display?
(3) Estimate the range of e.m. waves which can be transmitted by an antenna of height 20 m. (Given radius of the earth = 6400 km)
Which mode of propagation is used by short wave broadcast serves?
Write the expression for speed of electromagnetic waves in a medium of electrical permittivity ε and magnetic permeability μ.
A plane electromagnetic wave is travelling through a medium along the +ve z-direction. Depict the electromagnetic wave showing the directions of the oscillating electric and magnetic fields.
Define frequency modulation and state any one advantage of frequency modulation (FM) over amplitude modulation (AM).
The electric field of a plane electromagnetic wave travelling in +ve z-direction is described by ______.
Dimensions of 1/(µOE0) is
A linearly polarized electromagnetic wave given as E = Eoî cos (kz – ωt) is incident normally on a perfectly reflecting infinite wall at z = a. Assuming that the material of the wall is optically inactive, the reflected wave will be given as ______.
An electromagnetic wave of frequency 3 GHz enters a dielectric medium of relative electric permittivity 2.25 from vacuum. The wavelength of this wave in that medium will be ______ × 10-2 cm.
