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प्रश्न
Two simple pendulums A and B have equal lengths, but their bobs weigh 50 gf and 100 gf, respectively. What would be the ratio of their time periods? Give reasons for your answer.
उत्तर १
The ratio of their time periods would be 1:1 because the time period does not depend on the weight of the bob.
उत्तर २
We know that the time period of the simple pendulum at a place is given by
T = `2πsqrt("l"/"g")` ........(i)
and this expression does not contain the weight of bob i.e. is independent of the weight of bob.
∴ Time period of both pendulums will be the same.
∴ Ratio of their time periods =1 : 1
संबंधित प्रश्न
A vernier has 10 divisions and they are equal to 9 divisions of the main scale in length. If the main scale is calibrated in mm, what is its least count?
The main scale of a vernier callipers is calibrated in mm and 19 divisions of main scale are equal in length to 20 divisions of the vernier scale. In measuring the diameter of a cylinder by this instrument, the main scale reads 35 divisions and 4th division of vernier scale coincides with a main scale division. Find
(i) Least count and (ii) Radius of a cylinder.
Name two factors on which the time period of a simple pendulum depends. Write the relation for the time period in terms of the above named factors.
State the numerical value of the frequency of oscillation of a second's pendulum. Does it depend on the amplitude of oscillations?
A body measures 25 m. State the unit and the magnitude of the unit in the statement.
Name the convenient unit you will use to measure:
diameter of hair
Name the most convenient unit of mass you will use to measure:
The bag of sugar
Explain the method in steps to find the volume of an irregular solid with the help of a measuring cylinder.
Amongst the unit of volume which is most suitable for measuring:
Volume of air in the room
