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beta rays
ultraviolet rays
infra-red rays
gamma rays
Formation of shadows can be explained by
Formula for distance is
Four solid cubes of different metals, each one having a mass of one kg are weighed in water select the correct statement:
Four wires of same material and of dimensions as mentioned below are stretched by a load of same magnitude separately. Which one of them will be elongated maximum?
Friction is caused by the _ on the two surfaces in contact.
Friction losses are more in the following type of instrument
Frictional force acts in
Full form of CFL used in place of electric bulbs is
Full load current of a 10 HP, 3 phase, 440 V induction motor is of the order of
Fuse wire is made of an alloy of