Advertisements
Advertisements
Question
Write the following radiations in ascending order with respect to their frequencies:
X-rays, microwaves, UV rays and radio waves.
Solution
The given radiations can be arranged in ascending order with respect to their frequencies as:
Radio waves < Microwaves < UV rays < X-rays
APPEARS IN
RELATED QUESTIONS
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)
The energy contained in a small volume through which an electromagnetic wave is passing oscillates with
A laser beam has intensity 2.5 × 1014 W m−2. Find amplitudes of electric and magnetic fields in the beam.
If the magnetic monopole exists, then which of the Maxwell’s equation to be modified?
What is displacement current?
Write notes on Ampere-Maxwell law.
Explain the importance of Maxwell’s correction.
Magnitude of the electric and the magnetic fields in a plane electromagnetic wave are related by ______.
Electromagnetic waves are produced by ______.
The ratio of the magnitudes of the electric field and magnetic field of a plane electromagnetic wave is ______.