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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) What do u mean by magnetic induction? what is the dimensioin of magnetic induction? Ans) Electromagnetic induction is the manufacture of a potential difference (voltage) acro
An electron, an alpha-particle and a proton have the similar kinetic energy. Which one of these particles has the main de-Broglie wavelength?
Write down the relation between focal length and power of a lens. Write down the expression for the equivalent focal length of two thin lenses separated by a distance.
A body which gets its real configuration immediately and completely after the removal of deforming force from it, is called as perfectly elastic body. Phosphor bronze and quartz ar
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A 415V 3-phase a.c. motor has a power output of 12.75kW and operates at a power factor of 0.77 lagging and with an ef?ciency of 85%. If the motor is delta-connected, verify
calculate the frequency of radiation which must be incident on a substance placed in magnetic field strength so that the electron can absorb energy
if a big person and a small person run up the stairs in the same time, which of them develops the most power
A coil of 300 turns is wound uniformly on a ring of non-magnetic material. The ring has a mean circumference of 40cm and a uniform cross-sectional area of 4cm 2 . If the current in
working principle of vibration and deflection magnetometer?
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