General Knowledge on Physics

(Click on suggested Options to select the answer \| Color Red means : Wrong & Green Means: Correct)
111. If a ship moves from freshwater into sea water, it will A. sink completely B. sink a little bit C. rise a little higher D. remain unaffected Check Answer \| Discussion 112. Which one of the following common devices works on the basis of the principle of mutual induction? A. Tube light B. Transformer C. Photo-diode D. LED Check Answer \| Discussion 113. The focal length of the lens of a normal human eye is about A. 25cm B. 1m C. 2.5min D. 2.5cm Check Answer \| Discussion 114. Electricity is produced through dry cell from A. chemical energy B. thermal energy C. mechanical energy D. nuclear energy Check Answer \| Discussion 115. The loudness of sound is related to A. its frequency B. its amplitude C. its speed D. its pitch Check Answer \| Discussion 116. Contact lenses are made from A. polyvinyl chloride B. polystyrene C. lucite D. teflon Check Answer \| Discussion 117. PSLV-C14 in its latest space quest had carried Oceansat-2 with how many foreign nano-satellites? A. 5 B. 6 C. 7 D. 9 Check Answer \| Discussion 118. When the light is passed through a prism, the colour which deviates least is A. red B. green C. violet D. blue Check Answer \| Discussion 119. Which one of the following phenomena shows particle nature of light? A. Polarisation B. Photo-electric effect C. Interference D. Refraction Check Answer \| Discussion 120. An osciloscopeis an instrument which allows us to see waves produced by A. visible light B. X-rays C. sound D. gamma rays Check Answer \| Discussion
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General Knowledge on Physics

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