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Neutron possesses:
(1)Positive charge
(2)Negative charge
(3)No charge
(4)All are correct
Ans: (3)No charge
Q. Why X-rays are not used in microscopes? 1) The wavelength of X-rays is slighter than that of the visible light. 2) X-rays can't be focussed as visible radiations are foc
brewsters law
An electron in the hydrogen atom loses 3.02 eV as it falls to energy level E 2 . From which energy level did the atom fall?
Show that the spectrum of thermal radiation for T ¼ 300K peaks at approximately 10 microns Minimum 100 words accepted
Ampere; A (after A.M. Ampere, 1775-1836) The basic SI unit of electric current, described as the current that, while going through two infinitely-long parallel conductors of ne
BH curve: For any ferromagnetic material there is a definite value of flux density (B), corresponding to a specified value of magnetising force (H). These values can be ascert
Field system: The object of the field system is to make a uniform magnetic field, within which the armature rotates. It consists of four parts- yoke, pole core, pole shoe and fiel
Q. Assume an economy is in a liquidity trap. A. Write an equation expressing interest rate parity under a fixed exchange rate regime. Answer: Liquidity trap entail R = 0
why the reflective index of cladding is lower then in core of a fiber optic?
What is the Directionality of LASER? Directionality: Laser emits light which is highly directional. Laser light is emitted like a relatively narrow beam in an exact direction.
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