Which of these electromagnetic waves has the shortest wavelength?
Radio waves
Microwaves
Ultraviolet rays
Gamma rays
Related Questions
The electromagnetic waves do not transport
Energy
Charge
Momentum
Information
The range of wavelength of the visible light is
What is the approximate wavelength range for visible light?
400-700 nm
700-1000 nm
1-10 nm
10-400 nm
A plane electromagnetic wave is incident on a material surface. If the wave delivers momentum and energy , then
$p
e 0,E
e 0$
$p
e 0,E = 0$
$p = 0,E
e 0$
Energy stored in electromagnetic oscillations is in the form of
Electrical energy
Magnetic energy
Both (a) and (b)
None of these
The sun delivers of electromagnetic flux to the earthβs surface. The total power that in incident on a roof of dimensions 10m square will be
W
W
W
W
Laser beams are used to measure long distance because
They are monochromatic
They are highly polarized
They are coherent
They have high degree of parallelism
Energy stored in electromagnetic oscillations is in the form of
Electrical energy
Magnetic energy
Both (a) and (b)
None of these
Light with an average flux of falls on a non-reflecting surface at normal incidence having surface area . The energy received by the surface during time span of minute is:
22.5 kJ
2.25 kJ
225 kJ
0.225 kJ