Complete the following by choosing the correct answers from the bracket :
(a) A ............... [Class II / Class III] lever will always have M.A. > 1.
(b) A boy uses a GPS device to locate his missing friend in a crowded area; the system primarily uses ............... [ultraviolet waves / microwaves] to track the location.
(c) Unit of specific heat capacity is ............... . [kg2m2s-2K-1 / m2s-2K-1]
(d) The threshold of hearing is ............... . [0 dB / 20 Hz]
(e) Two copper wires can have different resistivity if they have different ............... . [lengths / temperatures]
(f) The reaction responsible for the production of energy in the sun is ............... . [Nuclear Fusion / Nuclear Fission]
Show SolutionHide Solution↓
(a) A class II lever will always have M.A. > 1.
(b) A boy uses a GPS device to locate his missing friend in a crowded area; the system primarily uses microwaves to track the location.
(c) Unit of specific heat capacity is m2s-2K-1.
(d) The threshold of hearing is 0 dB.
(e) Two copper wires can have different resistivity if they have different temperatures.
(f) The reaction responsible for the production of energy in the sun is Nuclear Fusion.