Coulomb s law is valid for
Coulomb s law is valid for
Earth s magnetism is due to
Earth s magnetism is due to
Sound waves in air are
Sound waves in air are
RMS speed of gas depends on
RMS speed of gas depends on
Unit of capacitance is
Unit of capacitance is
The dimensional formula of Planck s constant is
The dimensional formula of Planck s constant is
Hookes law is valid up to
Hookes law is valid up to
Refractive index depends on
Refractive index depends on
Mirror used in headlights is
Mirror used in headlights is
Majority carriers in n type semiconductor are
Majority carriers in n type semiconductor are
Fleming s right hand rule is used for
Fleming s right hand rule is used for
Zeroth law defines
Zeroth law defines
Surface tension has unit
Surface tension has unit
Unit of work is same as that of
Unit of work is same as that of
SI unit of heat is
SI unit of heat is
Area under velocity time graph gives
Area under velocity time graph gives
Newton s third law represents conservation of
Newton s third law represents conservation of
Frequency of AC in India is
Frequency of AC in India is
Interference is due to
Interference is due to
Drift velocity is proportional to
Drift velocity is proportional to
Photoelectric effect proves
Photoelectric effect proves
Electric heater works on
Electric heater works on
SI unit of angular momentum is
SI unit of angular momentum is
Time period of simple pendulum depends on
Time period of simple pendulum depends on
Escape velocity depends on
Escape velocity depends on
Unit of radioactivity is
Unit of radioactivity is
Centre of mass of a uniform rod lies at
Centre of mass of a uniform rod lies at
Unit of magnetic field is
Unit of magnetic field is
If percentage error in length is 2% and in time is 1% error in velocity is
If percentage error in length is 2% and in time is 1% error in velocity is
Viscosity of liquid decreases with
Viscosity of liquid decreases with