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Q. Which of the following has the longest wavelength?
Infrared radiation has the longest wavelength.
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Q. Why does a cannon recoil after firing ?
Q. Ozone at the higher level of the atmosphere is a product of ______ acting on oxygen molecules.
Q. Which one of the following is an ohmic conductor?
Q. Which physicists is the writer of the book 'A Brief History of Time'?
Q. Parabolic mirors are used in
Q. Tape recorder should not be kept near one of the following things :
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