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Q. Why does a cannon recoil after firing ?
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Q. Which among the given is used to split white light into different colours
Q. The 1st law of thermodynamics is simply the case of
Q. A periscope works by the principle of
Q. The frequency of which of the following is the highest?
Q. Liquids and gases never show
Q. The temperature which has the same reading on both Fahrenheit and Celsius scales is
Q. Which one of the following does a TV remote control unit use to operate a TV set?
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