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Infrared radiations and Ultra Violet radiations:
What are infrared radiations and Ultra Violet radiations?
Ans: Infrared:
Wavelengths larger than visible light
2. Wavelengths range from 0.7mm to 100 mm
3. Used in physiotherapy
Ultra Violet:
1. Wavelengths shorter than visible light
2. Wavelengths range from 0.4 mm to 1 nm
3. Long exposure of body to UV rays causes skin diseases
Translational : If a body goes such that its orientation does not change with respect to time then body is said to move in translational motion. ROTATION : If an object is rota
No;(Personal Note:Please Rate this and let me know if this helps) Reason: From the quantisation of charge charactersistic, we can say that charge comes in integral multiple of e (
What is SI unit of force
There are imaginary lines or path of the field in the given direction. The lines of force are assumed to make a closed path beginning from N pole and ending at S pole with no loss.
Indicate all that is incorrect about the statement The magnetic field lines of a stationary bar magnet move from the north pole of the bar magnet to the south pole of the bar magne
reasonings questions from chapter motion 1D
The effects of back emf on circuit current: In proving the time constant, it was stated that, at the instant the switch is closed, the current (I) is zero. This is because, at
Lyman series: The series which define the emission spectrum of hydrogen while electrons are jumping to the ground state. All lines are in the ultraviolet.
Q. Illustrate that water drain counter clockwise in the northern hemisphere and clockwise in the southern hemisphere? Answer:- This isn't a myth. It drains counter clockwi
sodium metal with a body centred cubic structure has two atoms per unit cell. the radius of sodium atom is 1.85 å. calculate its electrical resistivity at 0 oc, if the classical va
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