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rectilinear propagation of light
refraction
total internal reflection
reflection
A watt meter can be connected to a high current circuit by using
A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an
A wire carrying current is
A wire of resistance 10 Ω is elongated through a die to double its length . its resistance will change to
A wire of resistance R is cut into n equal parts. These parts are then attached in parallel. The equivalent resistance of the combination will be
Absolute Zero is defined as
Acceleration is
Acceleration is the rate of change of
Acceptable noise level for human ear
According to Bohrs theory of hydrogen atom, the angular momentum of the electron in the fourth orbit is given by