Physics
Assertion (A) : The least count of a screw gauge can be decreased by increasing the pitch and decreasing the total number of divisions on circular scale.
Reason (R) : Least count of screw gauge is directly proportional to pitch of the screw gauge.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false
Related Questions
Assertion (A) : The unit used to measure speed is an example of a derived unit.
Reason (R) : Derived units can neither be changed nor can be related to any other fundamental unit.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false
Assertion (A) : Smaller the least count of an instrument, more precise the measurement made by using it.
Reason (R) : Least count of an instrument is the smallest measurement that can be taken accurately with it.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false
Assertion (A) : A pendulum clock goes slow (i.e., the time period of oscillation increases) when it is taken to mines.
Reason (R) : This is due to increase in the value of acceleration due to gravity g.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false
Define 'amplitude of oscillation'.