Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged electro magnetic waves
+1
vote
1
answer
Write any four characteristics of electromagnetic waves.
asked
Mar 30, 2019
in
Physics
by
kratos
communication
electromagnetic waves
electro magnetic waves
informatics practices
class-12
contemporary physics
+3
votes
1
answer
Calculate the wavelength corresponding to a frequency of 98.8 MHz.
asked
Mar 16, 2019
in
Class 12
by
kratos
neet
electro magnetic waves
electromagnetic waves
communication systems
class-12
structure of atom
+1
vote
1
answer
Discuss the spectrum of electro magnetic radiation.
asked
Mar 6, 2019
in
Class 12
by
kratos
electro magnetic waves
class-12
bseb model set
+1
vote
1
answer
What is Ozone Layer?
asked
Feb 25, 2019
in
Class 12
by
kratos
class-11
electro magnetic waves
class-10
class-12
+2
votes
1
answer
tan^–1n, tan^–1 (n + 1) and tan^–1 (n + 2), n ∈ N, are the angles of a triangle if n =
asked
Feb 9, 2019
in
JEE
by
kratos
electro magnetic waves
class-11
jee
hydrogen
class-12
chemestry practical
jee mains
depression in freezing pnt
laws of motion
+2
votes
1
answer
How are radio waves produced?
asked
Feb 4, 2019
in
Class 12
by
kratos
waves
electromagnetic waves
electro magnetic waves
oscillations
class-11
dual nature of radiation and matter
class-12
nuclei
+1
vote
1
answer
Suppose that the electric field part of an electromagnetic wave in vacuum is E = {(3.1 N/C) cos [(1.8 rad/m) y + (5.4 × 10^6 rad/*)t]} capi.
asked
Jan 28, 2019
in
JEE
by
kratos
electromagnetic waves
electro magnetic waves
jee
jee mains
class-12
+3
votes
1
answer
Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800
asked
Jan 27, 2019
in
Chemistry
by
kratos
electro magnetic waves
class-11
physical chemistry
atomic structure
class-12
structure of atom
+1
vote
1
answer
The magnetic field in a plane electromagnetic wave is given By = 2 × 10^–7 sin (0.5 × 10^3x + 1.5 × 10^11t)T.
asked
Dec 29, 2018
in
JEE
by
kratos
cbse
electromagnetic waves
electro magnetic waves
jee
jee mains
class-12
+2
votes
1
answer
A plane electromagnetic wave travels in vacuum along y direction.
asked
Dec 20, 2018
in
Class 12
by
kratos
electro magnetic waves
class-12
electromagnetic waves
cbse
+2
votes
1
answer
The direction of transmission of electromagnetic wave is :
asked
Nov 3, 2018
in
JEE
by
kratos
jee main 2021
electro magnetic waves
jee
bseb model set
jee main
class-12
+2
votes
1
answer
A radio can tune to any station in the 7. 5 MHz to 12 MHz band. What is the corresponding wave length band ?
asked
Oct 14, 2018
in
JEE
by
kratos
electro magnetic waves
electromagnetic waves
jee
communication systems
jee mains
class-12
+2
votes
1
answer
The electric field associated with an e.m. wave in vacuum is given by vector E = i 40 cos (kz – 6 × 10^8 t),
asked
Oct 9, 2018
in
Class 12
by
kratos
neet
cbse
jee main 2020
electromagnetic waves
electro magnetic waves
class-12
+3
votes
1
answer
A radio can tune over the frequency range of a portion of MW broadcast band:
asked
Sep 15, 2018
in
JEE
by
kratos
electro magnetic waves
electromagnetic waves
jee
communication systems
jee mains
alternating current
class-12
+2
votes
1
answer
The frequencies of X-rays, g-rays and ultraviolet rays are respectively a, b, and c. Then
asked
Sep 5, 2018
in
Computer
by
kratos
computer organization
electromagnetic waves
electro magnetic waves
class-11
jee
communication systems
jee mains
class-12
+1
vote
1
answer
A plane electromagnetic wave travels in vacuum along x-direction.
asked
Aug 23, 2018
in
Class 12
by
kratos
electro magnetic waves
class-12
electromagnetic waves
cbse
+1
vote
1
answer
A plane electromagnetic wave travels in vacuum along z-direction. What can you say about the directions of its electric
asked
Jul 21, 2018
in
JEE
by
kratos
cbse
electromagnetic waves
electro magnetic waves
jee
jee mains
class-12
+3
votes
1
answer
The oscillating electric field of an electromagnetic wave is given by: Ey =30sin [2 x 10^11t + 300πx]Vm^-1
asked
Jun 11, 2018
in
JEE
by
kratos
cbse
electro magnetic waves
electromagnetic waves
jee
optics
jee mains
class-12
+1
vote
1
answer
The structure of solids is investigated by using
asked
Jun 1, 2018
in
Class 12
by
kratos
electro magnetic waves
electromagnetic waves
class-11
dual nature of radiation and matter
class-9
set language
class-12
sets
+3
votes
1
answer
A charge particle (Q = 10^-4 C) is released from rest at z = 0 in magnetic field given as bar B = B0 cos(ωt - kz) Î
asked
May 26, 2018
in
JEE
by
kratos
electro magnetic waves
jee main 2020
jee mains 2019
class-12
To see more, click for the
full list of questions
or
popular tags
.