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BALLISTIC FLIGHT:
"A flight in which a projectile is given a starting push and is permitted to move freely due to inertia and under the action of gravity is known as ballistic flight".
USES:
(i ) Ballistic missiles are useful only for short ranges for which initial velocity 'vi' is not very large.
(ii) For long ranges and greater accuracy, powered and control guided missiles are used.
Q. Cue Ball Slip Problems? A cue ball is struck beside a line through its centre and parallel to the table. It moves forward primarily with zero angular rotation, sliding acros
Core losses or Iron losses: These losses having of hysteresis and eddy current losses, which happen due to pulsation of flux in the core. These losses depend upon the maximum flux
When a semiconductor is doped with a P-type impurity, each impurity atom will (A) Acquire negative charge. (B) Acquire positive charge. (C) Remain
Permittivity of free space; electric constant; epsilon_0 The ratio of the electric displacement to the intensity of the electric field generating it in vacuum. This is equal to
Textile industry: High speed drives are essential with wide range of control, small & medium motors are employed. Commutator motors and synchronous motors are used.
(B) COVALENT BOND: What about reactions between two non metals? Many non metals do bond together. Hydrogen atoms, for instance, frequently react with other hydrogen
A Neutron Star is formed in the aftermath of a Supernova explosion. The star was originally rotating with a period of 20 days and had a mass of 2x10 30 kg and radius of 6x10 8 m.
Q. Give basic postulate of special theory of relativity? A plane-convex lenses L of large radius of curvature with its convexities is placed on a plane glass plate P. When ligh
Photon Interactions a. Consider a Si detector of 1 mm thickness. 10 6 photons each with energy of 100 keV are incident on the detector. Find the number of coherent, Compton, an
True or False. The specific gravity of a fluid that sinks in water is greater than 1.00.
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