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1) Select the word which has same relation: Cricket : Pitch : : Wrestling : ?
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2) Lumberjack ia related to Axe in the same way as Chef is related to ?.....
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3) If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work?
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4) Pick out the scalar quantity
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5) Rectifiers are used to convert:
Explanation :
A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as rectification, since it "straightens" the direction of current.
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6) Out of the following, which is not emitted by radioactive substance?
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7) Sound waves in air are
Explanation :
Sound waves in air (and any fluid medium) are longitudinal waves because particles of the medium through which the sound is transported vibrate parallel to the direction that the sound wave moves. A vibrating string can create longitudinal waves as depicted in the animation below.
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8) Magnetism at the centre of a bar magnet is
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9) Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2
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10) Of the following properties of a wave, the one that is independent of the other is its
Explanation :
The amplitude (A) is independent of other means it is not related to the other quantities.
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