An object is moving at a steady speed ?v? along a circular
path of radius ?r?. The angular acceleration of the object
will be
(a) vr
(b) v/r
(c) zero
(d) v2/r
Who among these is known as the bare foot director? (a) Dr. Raj Kumar (b) G.V. Aiyer (c) M.F. Hussain (d) K.S. Sharma
A bolt has a hexagonal slot. Which tool is suited for turning the bolt? (1) Box spanner (2) Philips screw driver (3) Allen key (4) Torque wrench
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Optical fibres are used for communication in LASER because (1) Interference is produced by other lasers (2) They ensure that the beam does not scatter (3) They produce atmospheric interference (4) None of these
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Gun Powder first used in the country -
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A short initializing programme of a P.C. is called (1) Main programme (2) Sub-routine (3) Boot programme (4) Branch
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Where in the sands is buried a Shiva Temple? (1) Bangalore (2) Jaisalmer (3) Talakadu (4) None of these
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