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Q. What are the uses of an electron microscope?
Uses of electron microscope:
(i) It is utilized in the industry to study the surface of metals, structure of textile fibres, composition of paints etc.
(ii) In medicine as well as biology it is used to study virus, and bacteria.
(iii) In Physics it has been utilized in the investigation of atomic structure and structure of crystals in detail.
There exist two types of charges in nature:- (i) Positive charge (ii) Negative charge Charges with the same electrical sign repel each other, and charges with oppo
What is radium used for? Radium was formerly used in self-luminous paints for nuclear panels, watches, aircraft switches, clocks, and instrument dials. More than 100 former wat
compare the electrostatic force between two protons to the gravitational force acting on them?
When two waves of exactly similar frequency (coming from two coherent sources) travels in a medium, in the similar direction simultaneously then because of their superposition, at
Sievert; Sv: The derived SI unit of dose equivalent, explained as the absorbed dose of ionizing radiation multiplied through internationally-agreed-upon dimensionless weights,
Define the term intrinsic stand-off ration in UJT. Ans: Intrinsic Stand-off Ratio: Equivalent circuit of a UJT is demonstrated in fig. (a). Emitter diode forms the junctio
electric field
Q. What is the force essential to accelerate a mass of one kilogram one meter per second per second? Answer:- Fundamentally you have defined the Newton. Force is the ve
a) Heat produced is directly proportional to the square of the current passing by a conductor. b) This effect is produced because of collision of free electrons with positive io
Energy Transformation on a Roller Coaster A roller coaster ride is a thrilling experience that includes a wealth of physics. Part of the physics of a roller coaster is the phys
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