Answer:
In disagreement
Explanation:
Fluorescence can be defined as the phenomenon by which an object emits visible light when placed in front of ultraviolet light. In fluorescence, the absorbed light increases the energy band of the electrons, causing them to go into a more excited state. The electrons, before they release the absorbed energy in the form of light, lose a part of the energy due to the vibration of the molecules. When they return to their initial state, the electrons will emit light.
While microwaves are electromagnetic waves whose frequency is high, and are used for the transmission of high-speed telegraphic signals and for the communication of satellites and do not emit light.
The dry cleaning process uses chemicals to clean the clothes. It’s “dry” because it doesn't use water, as in normal wet laundering. Most laundries use chemicals to remove grease and stains from clothing.
Answer: static electricity
Explanation: The movement of charged particles through a wire or other medium is called current or electricity. There is also static electricity, which results from an imbalance or separation of the positive and negative charges on an object. Static electricity is a form of electrical potential energy
Answer:
Explanation:
To find:
angular frequency of rotation, ω=?
Given that:
- base of wire triangle, b = 25 cm
- height of wire triangle, h = 66 cm
- electrical resistance , R = 1.1 Ω
- time taken to make 1 rotation about the height through the base,T= 1.5s
- magnetic field in +z direction out of the screen, B = 1.8 T
Since the wire does not carry any current therefore the magnetic field will have no impact on it.
Now, as we know:
angular frequency
