List of top Physics Questions on Units and measurement asked in KCET

The true length of a wire is 3.678 cm. When the length of this wire is measured using instrument A, the length of the wire is 3.5 cm. When the length of the wire is measured using instrument B, it is found to have length 3.38 cm. Then the

The vernier scale of travelling microscope has 50 divisions which coincides with 49 main scale division. If each main scale division is 0.5 mm, then the least count of the microscope is

The system of units followed in science is

The unit of electrical power is