Advertisements
Advertisements
Question
Fraunhofer lines are an example of _______ spectrum.
Options
line emission
line absorption
band emission
band absorption
Solution
Fraunhofer lines are an example of line absorption spectrum.
APPEARS IN
RELATED QUESTIONS
Arrange the following electromagnetic waves in order of increasing frequency:
ϒ-rays, microwaves, infrared rays and ultraviolet rays.
If the magnetic monopole exists, then which of the Maxwell’s equation to be modified?
Write a short note on the radio waves.
A pulse of light of duration 10-6 s is absorbed completely by a small object initially at rest. If the power of the pulse is 60 x 10-3 W, calculate the final momentum of the object.
Which one of the following does not represent simple harmonic motion? Here y denotes the instantaneous displacement. Here, A and B are constants and co is the angular frequency.
In space communication, the sound waves can be sent from one place to another
For which frequency of light, the eye is most sensitive?
Professor C.V Raman surprised his students by suspending freely a tiny light ball in a transparent vacuum chamber by shining a laser beam on it. Which property of EM waves was he exhibiting? Give one more example of this property.
A plane electromagnetic wave with frequency of 30 MHz travels in free space. At particular point in space and time, electric field is 6 V/m. The magnetic field at this point will be x × 10-8 T. The value of x is ______.
Name the electromagnetic wave/radiation which is used to study crystal structure.
