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...Class xii session subject physics sample question paper theory maximum marks time allowed hours general instructions all questions are compulsory there in this has five sections section a b c d and e contains ten very short answer four assertion reasoning mcqs of mark each two case based nine three long is no overall choice however internal provided you have to attempt only one the choices such sr any them name physical quantity having unit j t mention use part electromagnetic spectrum which wavelength cm emitted by hydrogen interstellar space belongs or give ratio velocity light waves wavelengths atravelling vacuum an electron with charge mass m travels at speed v plane perpendicular magnetic field magnitude follows circular path radius r halfway around circle what amount work done page solenoid n loops wire tightly wrapped iron core carrying electric current i if through reduced half then change would expect inductance l alternating from source given sint effective value frequency an...